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Finding the Fourth Proportional to 171,755.95, 257,657.35 and 59,406.04

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Solution

The fourth proportional to 171,755.95, 257,657.35 and 59,406.04 is: 89,117.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,755.95 : 257,657.35 = 59,406.04 : x
  2. Step 2: Convert to fraction form
    171,755.95/257,657.35 = 59,406.04/x
  3. Step 3: Cross multiply
    171,755.95x = 257,657.35 × 59,406.04
  4. Step 4: Simplify right side
    171,755.95x = 15,306,402,840.39
  5. Step 5: Solve for x
    x = 15,306,402,840.39/171,755.95
  6. Step 6: Final answer
    x = 89,117.16

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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.