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Finding the Fourth Proportional to 96,478.97, 133,142.81 and 54,037.40

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Solution

The fourth proportional to 96,478.97, 133,142.81 and 54,037.40 is: 74,572.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,478.97 : 133,142.81 = 54,037.40 : x
  2. Step 2: Convert to fraction form
    96,478.97/133,142.81 = 54,037.40/x
  3. Step 3: Cross multiply
    96,478.97x = 133,142.81 × 54,037.40
  4. Step 4: Simplify right side
    96,478.97x = 7,194,690,345.19
  5. Step 5: Solve for x
    x = 7,194,690,345.19/96,478.97
  6. Step 6: Final answer
    x = 74,572.63

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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.