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Finding the Fourth Proportional to 59,098.40, 88,712.40 and 36,936.80

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Solution

The fourth proportional to 59,098.40, 88,712.40 and 36,936.80 is: 55,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,098.40 : 88,712.40 = 36,936.80 : x
  2. Step 2: Convert to fraction form
    59,098.40/88,712.40 = 36,936.80/x
  3. Step 3: Cross multiply
    59,098.40x = 88,712.40 × 36,936.80
  4. Step 4: Simplify right side
    59,098.40x = 3,276,752,176.32
  5. Step 5: Solve for x
    x = 3,276,752,176.32/59,098.40
  6. Step 6: Final answer
    x = 55,445.70

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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.