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Finding the Fourth Proportional to 62,197.60, 93,490.80 and 61,031.20

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Solution

The fourth proportional to 62,197.60, 93,490.80 and 61,031.20 is: 91,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,197.60 : 93,490.80 = 61,031.20 : x
  2. Step 2: Convert to fraction form
    62,197.60/93,490.80 = 61,031.20/x
  3. Step 3: Cross multiply
    62,197.60x = 93,490.80 × 61,031.20
  4. Step 4: Simplify right side
    62,197.60x = 5,705,855,712.96
  5. Step 5: Solve for x
    x = 5,705,855,712.96/62,197.60
  6. Step 6: Final answer
    x = 91,737.55

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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.