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Finding the Fourth Proportional to 88,587.96, 122,260.88 and 54,589.20

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Solution

The fourth proportional to 88,587.96, 122,260.88 and 54,589.20 is: 75,338.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,587.96 : 122,260.88 = 54,589.20 : x
  2. Step 2: Convert to fraction form
    88,587.96/122,260.88 = 54,589.20/x
  3. Step 3: Cross multiply
    88,587.96x = 122,260.88 × 54,589.20
  4. Step 4: Simplify right side
    88,587.96x = 6,674,123,630.50
  5. Step 5: Solve for x
    x = 6,674,123,630.50/88,587.96
  6. Step 6: Final answer
    x = 75,338.95

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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.