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Finding the Fourth Proportional to 95,905.50, 143,858.25 and 30,241.50

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Solution

The fourth proportional to 95,905.50, 143,858.25 and 30,241.50 is: 45,362.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,905.50 : 143,858.25 = 30,241.50 : x
  2. Step 2: Convert to fraction form
    95,905.50/143,858.25 = 30,241.50/x
  3. Step 3: Cross multiply
    95,905.50x = 143,858.25 × 30,241.50
  4. Step 4: Simplify right side
    95,905.50x = 4,350,489,267.38
  5. Step 5: Solve for x
    x = 4,350,489,267.38/95,905.50
  6. Step 6: Final answer
    x = 45,362.25

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.