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Finding the Fourth Proportional to 144,074.52, 216,115.56 and 38,893.14

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Solution

The fourth proportional to 144,074.52, 216,115.56 and 38,893.14 is: 58,340.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,074.52 : 216,115.56 = 38,893.14 : x
  2. Step 2: Convert to fraction form
    144,074.52/216,115.56 = 38,893.14/x
  3. Step 3: Cross multiply
    144,074.52x = 216,115.56 × 38,893.14
  4. Step 4: Simplify right side
    144,074.52x = 8,405,412,731.26
  5. Step 5: Solve for x
    x = 8,405,412,731.26/144,074.52
  6. Step 6: Final answer
    x = 58,340.73

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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.