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Finding the Fourth Proportional to 204,987.54, 282,854.52 and 114,332.88

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Solution

The fourth proportional to 204,987.54, 282,854.52 and 114,332.88 is: 157,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,987.54 : 282,854.52 = 114,332.88 : x
  2. Step 2: Convert to fraction form
    204,987.54/282,854.52 = 114,332.88/x
  3. Step 3: Cross multiply
    204,987.54x = 282,854.52 × 114,332.88
  4. Step 4: Simplify right side
    204,987.54x = 32,339,571,892.62
  5. Step 5: Solve for x
    x = 32,339,571,892.62/204,987.54
  6. Step 6: Final answer
    x = 157,763.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.