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Finding the Fourth Proportional to 89,473.60, 123,473.82 and 51,233.73

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Solution

The fourth proportional to 89,473.60, 123,473.82 and 51,233.73 is: 70,702.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,473.60 : 123,473.82 = 51,233.73 : x
  2. Step 2: Convert to fraction form
    89,473.60/123,473.82 = 51,233.73/x
  3. Step 3: Cross multiply
    89,473.60x = 123,473.82 × 51,233.73
  4. Step 4: Simplify right side
    89,473.60x = 6,326,024,355.95
  5. Step 5: Solve for x
    x = 6,326,024,355.95/89,473.60
  6. Step 6: Final answer
    x = 70,702.69

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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.