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Finding the Fourth Proportional to 96,489.92, 133,155.96 and 54,048.45

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Solution

The fourth proportional to 96,489.92, 133,155.96 and 54,048.45 is: 74,586.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,489.92 : 133,155.96 = 54,048.45 : x
  2. Step 2: Convert to fraction form
    96,489.92/133,155.96 = 54,048.45/x
  3. Step 3: Cross multiply
    96,489.92x = 133,155.96 × 54,048.45
  4. Step 4: Simplify right side
    96,489.92x = 7,196,873,246.26
  5. Step 5: Solve for x
    x = 7,196,873,246.26/96,489.92
  6. Step 6: Final answer
    x = 74,586.79

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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.