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Finding the Fourth Proportional to 207,375.52, 286,178.64 and 117,951.52

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Solution

The fourth proportional to 207,375.52, 286,178.64 and 117,951.52 is: 162,773.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,375.52 : 286,178.64 = 117,951.52 : x
  2. Step 2: Convert to fraction form
    207,375.52/286,178.64 = 117,951.52/x
  3. Step 3: Cross multiply
    207,375.52x = 286,178.64 × 117,951.52
  4. Step 4: Simplify right side
    207,375.52x = 33,755,205,579.53
  5. Step 5: Solve for x
    x = 33,755,205,579.53/207,375.52
  6. Step 6: Final answer
    x = 162,773.34

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1.5x scale

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.