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Finding the Fourth Proportional to 243,817.40, 365,631.56 and 83,862.92

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Solution

The fourth proportional to 243,817.40, 365,631.56 and 83,862.92 is: 125,761.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,817.40 : 365,631.56 = 83,862.92 : x
  2. Step 2: Convert to fraction form
    243,817.40/365,631.56 = 83,862.92/x
  3. Step 3: Cross multiply
    243,817.40x = 365,631.56 × 83,862.92
  4. Step 4: Simplify right side
    243,817.40x = 30,662,930,265.76
  5. Step 5: Solve for x
    x = 30,662,930,265.76/243,817.40
  6. Step 6: Final answer
    x = 125,761.86

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1.5x scale

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.