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Finding the Fourth Proportional to 107,654.56, 148,564.28 and 59,909.92

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Solution

The fourth proportional to 107,654.56, 148,564.28 and 59,909.92 is: 82,676.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,654.56 : 148,564.28 = 59,909.92 : x
  2. Step 2: Convert to fraction form
    107,654.56/148,564.28 = 59,909.92/x
  3. Step 3: Cross multiply
    107,654.56x = 148,564.28 × 59,909.92
  4. Step 4: Simplify right side
    107,654.56x = 8,900,474,129.66
  5. Step 5: Solve for x
    x = 8,900,474,129.66/107,654.56
  6. Step 6: Final answer
    x = 82,676.24

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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.