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Finding the Fourth Proportional to 65,187.50, 89,951.30 and 36,503.17

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Solution

The fourth proportional to 65,187.50, 89,951.30 and 36,503.17 is: 50,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,187.50 : 89,951.30 = 36,503.17 : x
  2. Step 2: Convert to fraction form
    65,187.50/89,951.30 = 36,503.17/x
  3. Step 3: Cross multiply
    65,187.50x = 89,951.30 × 36,503.17
  4. Step 4: Simplify right side
    65,187.50x = 3,283,507,595.62
  5. Step 5: Solve for x
    x = 3,283,507,595.62/65,187.50
  6. Step 6: Final answer
    x = 50,370.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.