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Finding the Fourth Proportional to 64,250.73, 88,693.80 and 48,339.09

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Solution

The fourth proportional to 64,250.73, 88,693.80 and 48,339.09 is: 66,728.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,250.73 : 88,693.80 = 48,339.09 : x
  2. Step 2: Convert to fraction form
    64,250.73/88,693.80 = 48,339.09/x
  3. Step 3: Cross multiply
    64,250.73x = 88,693.80 × 48,339.09
  4. Step 4: Simplify right side
    64,250.73x = 4,287,377,580.64
  5. Step 5: Solve for x
    x = 4,287,377,580.64/64,250.73
  6. Step 6: Final answer
    x = 66,728.85

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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.