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Finding the Fourth Proportional to 132,692.52, 198,817.02 and 57,700.29

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Solution

The fourth proportional to 132,692.52, 198,817.02 and 57,700.29 is: 86,454.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,692.52 : 198,817.02 = 57,700.29 : x
  2. Step 2: Convert to fraction form
    132,692.52/198,817.02 = 57,700.29/x
  3. Step 3: Cross multiply
    132,692.52x = 198,817.02 × 57,700.29
  4. Step 4: Simplify right side
    132,692.52x = 11,471,799,710.94
  5. Step 5: Solve for x
    x = 11,471,799,710.94/132,692.52
  6. Step 6: Final answer
    x = 86,454.00

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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.