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Finding the Fourth Proportional to 96,793.92, 133,566.48 and 54,344.16

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Solution

The fourth proportional to 96,793.92, 133,566.48 and 54,344.16 is: 74,989.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,793.92 : 133,566.48 = 54,344.16 : x
  2. Step 2: Convert to fraction form
    96,793.92/133,566.48 = 54,344.16/x
  3. Step 3: Cross multiply
    96,793.92x = 133,566.48 × 54,344.16
  4. Step 4: Simplify right side
    96,793.92x = 7,258,558,159.76
  5. Step 5: Solve for x
    x = 7,258,558,159.76/96,793.92
  6. Step 6: Final answer
    x = 74,989.82

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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.