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Finding the Fourth Proportional to 99,022.50, 148,534.97 and 36,693

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Solution

The fourth proportional to 99,022.50, 148,534.97 and 36,693 is: 55,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,022.50 : 148,534.97 = 36,693 : x
  2. Step 2: Convert to fraction form
    99,022.50/148,534.97 = 36,693/x
  3. Step 3: Cross multiply
    99,022.50x = 148,534.97 × 36,693
  4. Step 4: Simplify right side
    99,022.50x = 5,450,193,470.75
  5. Step 5: Solve for x
    x = 5,450,193,470.75/99,022.50
  6. Step 6: Final answer
    x = 55,039.95

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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.