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Finding the Fourth Proportional to 96,013.80, 144,020.70 and 54,023.40

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Solution

The fourth proportional to 96,013.80, 144,020.70 and 54,023.40 is: 81,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,013.80 : 144,020.70 = 54,023.40 : x
  2. Step 2: Convert to fraction form
    96,013.80/144,020.70 = 54,023.40/x
  3. Step 3: Cross multiply
    96,013.80x = 144,020.70 × 54,023.40
  4. Step 4: Simplify right side
    96,013.80x = 7,780,487,884.38
  5. Step 5: Solve for x
    x = 7,780,487,884.38/96,013.80
  6. Step 6: Final answer
    x = 81,035.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.