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Finding the Fourth Proportional to 95,764.60, 143,646.90 and 49,108.60

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Solution

The fourth proportional to 95,764.60, 143,646.90 and 49,108.60 is: 73,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,764.60 : 143,646.90 = 49,108.60 : x
  2. Step 2: Convert to fraction form
    95,764.60/143,646.90 = 49,108.60/x
  3. Step 3: Cross multiply
    95,764.60x = 143,646.90 × 49,108.60
  4. Step 4: Simplify right side
    95,764.60x = 7,054,298,153.34
  5. Step 5: Solve for x
    x = 7,054,298,153.34/95,764.60
  6. Step 6: Final answer
    x = 73,662.90

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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.