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Finding the Fourth Proportional to 107,575.28, 148,454.52 and 62,253.28

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Solution

The fourth proportional to 107,575.28, 148,454.52 and 62,253.28 is: 85,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,575.28 : 148,454.52 = 62,253.28 : x
  2. Step 2: Convert to fraction form
    107,575.28/148,454.52 = 62,253.28/x
  3. Step 3: Cross multiply
    107,575.28x = 148,454.52 × 62,253.28
  4. Step 4: Simplify right side
    107,575.28x = 9,241,780,800.83
  5. Step 5: Solve for x
    x = 9,241,780,800.83/107,575.28
  6. Step 6: Final answer
    x = 85,909.89

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1.5x scale

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.