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Finding the Fourth Proportional to 168,861.75, 253,292.55 and 63,656.10

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Solution

The fourth proportional to 168,861.75, 253,292.55 and 63,656.10 is: 95,484.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,861.75 : 253,292.55 = 63,656.10 : x
  2. Step 2: Convert to fraction form
    168,861.75/253,292.55 = 63,656.10/x
  3. Step 3: Cross multiply
    168,861.75x = 253,292.55 × 63,656.10
  4. Step 4: Simplify right side
    168,861.75x = 16,123,615,892.06
  5. Step 5: Solve for x
    x = 16,123,615,892.06/168,861.75
  6. Step 6: Final answer
    x = 95,484.12

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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.