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Finding the Fourth Proportional to 104,054.59, 143,595.39 and 72,241.93

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Solution

The fourth proportional to 104,054.59, 143,595.39 and 72,241.93 is: 99,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,054.59 : 143,595.39 = 72,241.93 : x
  2. Step 2: Convert to fraction form
    104,054.59/143,595.39 = 72,241.93/x
  3. Step 3: Cross multiply
    104,054.59x = 143,595.39 × 72,241.93
  4. Step 4: Simplify right side
    104,054.59x = 10,373,608,112.70
  5. Step 5: Solve for x
    x = 10,373,608,112.70/104,054.59
  6. Step 6: Final answer
    x = 99,693.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.