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Finding the Fourth Proportional to 96,562.80, 144,838.80 and 30,002.40

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Solution

The fourth proportional to 96,562.80, 144,838.80 and 30,002.40 is: 45,001.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,562.80 : 144,838.80 = 30,002.40 : x
  2. Step 2: Convert to fraction form
    96,562.80/144,838.80 = 30,002.40/x
  3. Step 3: Cross multiply
    96,562.80x = 144,838.80 × 30,002.40
  4. Step 4: Simplify right side
    96,562.80x = 4,345,511,613.12
  5. Step 5: Solve for x
    x = 4,345,511,613.12/96,562.80
  6. Step 6: Final answer
    x = 45,001.92

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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.