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Finding the Fourth Proportional to 88,565.60, 132,848.40 and 51,240.80

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Solution

The fourth proportional to 88,565.60, 132,848.40 and 51,240.80 is: 76,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,565.60 : 132,848.40 = 51,240.80 : x
  2. Step 2: Convert to fraction form
    88,565.60/132,848.40 = 51,240.80/x
  3. Step 3: Cross multiply
    88,565.60x = 132,848.40 × 51,240.80
  4. Step 4: Simplify right side
    88,565.60x = 6,807,258,294.72
  5. Step 5: Solve for x
    x = 6,807,258,294.72/88,565.60
  6. Step 6: Final answer
    x = 76,861.20

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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.