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Finding the Fourth Proportional to 96,671.76, 133,417.02 and 54,230.56

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Solution

The fourth proportional to 96,671.76, 133,417.02 and 54,230.56 is: 74,843.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,671.76 : 133,417.02 = 54,230.56 : x
  2. Step 2: Convert to fraction form
    96,671.76/133,417.02 = 54,230.56/x
  3. Step 3: Cross multiply
    96,671.76x = 133,417.02 × 54,230.56
  4. Step 4: Simplify right side
    96,671.76x = 7,235,279,708.13
  5. Step 5: Solve for x
    x = 7,235,279,708.13/96,671.76
  6. Step 6: Final answer
    x = 74,843.78

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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.