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Finding the Fourth Proportional to 145,048.59, 217,509.30 and 59,600.88

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Solution

The fourth proportional to 145,048.59, 217,509.30 and 59,600.88 is: 89,375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,048.59 : 217,509.30 = 59,600.88 : x
  2. Step 2: Convert to fraction form
    145,048.59/217,509.30 = 59,600.88/x
  3. Step 3: Cross multiply
    145,048.59x = 217,509.30 × 59,600.88
  4. Step 4: Simplify right side
    145,048.59x = 12,963,745,688.18
  5. Step 5: Solve for x
    x = 12,963,745,688.18/145,048.59
  6. Step 6: Final answer
    x = 89,375.19

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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.