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Finding the Fourth Proportional to 171,655.92, 257,403.96 and 65,060.28

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Solution

The fourth proportional to 171,655.92, 257,403.96 and 65,060.28 is: 97,560.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,655.92 : 257,403.96 = 65,060.28 : x
  2. Step 2: Convert to fraction form
    171,655.92/257,403.96 = 65,060.28/x
  3. Step 3: Cross multiply
    171,655.92x = 257,403.96 × 65,060.28
  4. Step 4: Simplify right side
    171,655.92x = 16,746,773,710.71
  5. Step 5: Solve for x
    x = 16,746,773,710.71/171,655.92
  6. Step 6: Final answer
    x = 97,560.13

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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.