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Finding the Fourth Proportional to 171,755.19, 257,656.22 and 59,405.29

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Solution

The fourth proportional to 171,755.19, 257,656.22 and 59,405.29 is: 89,116.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,755.19 : 257,656.22 = 59,405.29 : x
  2. Step 2: Convert to fraction form
    171,755.19/257,656.22 = 59,405.29/x
  3. Step 3: Cross multiply
    171,755.19x = 257,656.22 × 59,405.29
  4. Step 4: Simplify right side
    171,755.19x = 15,306,142,617.92
  5. Step 5: Solve for x
    x = 15,306,142,617.92/171,755.19
  6. Step 6: Final answer
    x = 89,116.04

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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.