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Finding the Fourth Proportional to 92,765.71, 139,055.08 and 36,584.11

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Solution

The fourth proportional to 92,765.71, 139,055.08 and 36,584.11 is: 54,839.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,765.71 : 139,055.08 = 36,584.11 : x
  2. Step 2: Convert to fraction form
    92,765.71/139,055.08 = 36,584.11/x
  3. Step 3: Cross multiply
    92,765.71x = 139,055.08 × 36,584.11
  4. Step 4: Simplify right side
    92,765.71x = 5,087,205,711.55
  5. Step 5: Solve for x
    x = 5,087,205,711.55/92,765.71
  6. Step 6: Final answer
    x = 54,839.29

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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.