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Finding the Fourth Proportional to 89,673.92, 123,750.36 and 53,864.54

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Solution

The fourth proportional to 89,673.92, 123,750.36 and 53,864.54 is: 74,333.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,673.92 : 123,750.36 = 53,864.54 : x
  2. Step 2: Convert to fraction form
    89,673.92/123,750.36 = 53,864.54/x
  3. Step 3: Cross multiply
    89,673.92x = 123,750.36 × 53,864.54
  4. Step 4: Simplify right side
    89,673.92x = 6,665,755,597.48
  5. Step 5: Solve for x
    x = 6,665,755,597.48/89,673.92
  6. Step 6: Final answer
    x = 74,333.27

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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.