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Finding the Fourth Proportional to 59,909.60, 89,864.40 and 48,245.60

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Solution

The fourth proportional to 59,909.60, 89,864.40 and 48,245.60 is: 72,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,909.60 : 89,864.40 = 48,245.60 : x
  2. Step 2: Convert to fraction form
    59,909.60/89,864.40 = 48,245.60/x
  3. Step 3: Cross multiply
    59,909.60x = 89,864.40 × 48,245.60
  4. Step 4: Simplify right side
    59,909.60x = 4,335,561,896.64
  5. Step 5: Solve for x
    x = 4,335,561,896.64/59,909.60
  6. Step 6: Final answer
    x = 72,368.40

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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.