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Finding the Fourth Proportional to 59,937.70, 90,008.61 and 57,429.94

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Solution

The fourth proportional to 59,937.70, 90,008.61 and 57,429.94 is: 86,242.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,937.70 : 90,008.61 = 57,429.94 : x
  2. Step 2: Convert to fraction form
    59,937.70/90,008.61 = 57,429.94/x
  3. Step 3: Cross multiply
    59,937.70x = 90,008.61 × 57,429.94
  4. Step 4: Simplify right side
    59,937.70x = 5,169,188,631.40
  5. Step 5: Solve for x
    x = 5,169,188,631.40/59,937.70
  6. Step 6: Final answer
    x = 86,242.70

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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.