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Finding the Fourth Proportional to 144,329.97, 216,439.58 and 49,542.48

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Solution

The fourth proportional to 144,329.97, 216,439.58 and 49,542.48 is: 74,294.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,329.97 : 216,439.58 = 49,542.48 : x
  2. Step 2: Convert to fraction form
    144,329.97/216,439.58 = 49,542.48/x
  3. Step 3: Cross multiply
    144,329.97x = 216,439.58 × 49,542.48
  4. Step 4: Simplify right side
    144,329.97x = 10,722,953,315.65
  5. Step 5: Solve for x
    x = 10,722,953,315.65/144,329.97
  6. Step 6: Final answer
    x = 74,294.71

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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.