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Finding the Fourth Proportional to 144,641.62, 216,983.04 and 44,809.66

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Solution

The fourth proportional to 144,641.62, 216,983.04 and 44,809.66 is: 67,220.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,641.62 : 216,983.04 = 44,809.66 : x
  2. Step 2: Convert to fraction form
    144,641.62/216,983.04 = 44,809.66/x
  3. Step 3: Cross multiply
    144,641.62x = 216,983.04 × 44,809.66
  4. Step 4: Simplify right side
    144,641.62x = 9,722,936,248.17
  5. Step 5: Solve for x
    x = 9,722,936,248.17/144,641.62
  6. Step 6: Final answer
    x = 67,220.87

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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.