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Finding the Fourth Proportional to 165,687.32, 228,654.98 and 94,074

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Solution

The fourth proportional to 165,687.32, 228,654.98 and 94,074 is: 129,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,687.32 : 228,654.98 = 94,074 : x
  2. Step 2: Convert to fraction form
    165,687.32/228,654.98 = 94,074/x
  3. Step 3: Cross multiply
    165,687.32x = 228,654.98 × 94,074
  4. Step 4: Simplify right side
    165,687.32x = 21,510,488,588.52
  5. Step 5: Solve for x
    x = 21,510,488,588.52/165,687.32
  6. Step 6: Final answer
    x = 129,825.80

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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.