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Finding the Fourth Proportional to 322,766.66, 484,132.46 and 98,109.58

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Solution

The fourth proportional to 322,766.66, 484,132.46 and 98,109.58 is: 147,159.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,766.66 : 484,132.46 = 98,109.58 : x
  2. Step 2: Convert to fraction form
    322,766.66/484,132.46 = 98,109.58/x
  3. Step 3: Cross multiply
    322,766.66x = 484,132.46 × 98,109.58
  4. Step 4: Simplify right side
    322,766.66x = 47,498,032,314.97
  5. Step 5: Solve for x
    x = 47,498,032,314.97/322,766.66
  6. Step 6: Final answer
    x = 147,159.04

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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.