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Finding the Fourth Proportional to 145,049.43, 217,569.32 and 59,657.34

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Solution

The fourth proportional to 145,049.43, 217,569.32 and 59,657.34 is: 89,484.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,049.43 : 217,569.32 = 59,657.34 : x
  2. Step 2: Convert to fraction form
    145,049.43/217,569.32 = 59,657.34/x
  3. Step 3: Cross multiply
    145,049.43x = 217,569.32 × 59,657.34
  4. Step 4: Simplify right side
    145,049.43x = 12,979,605,634.59
  5. Step 5: Solve for x
    x = 12,979,605,634.59/145,049.43
  6. Step 6: Final answer
    x = 89,484.01

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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.