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Finding the Fourth Proportional to 165,575.71, 228,488.13 and 93,951.46

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Solution

The fourth proportional to 165,575.71, 228,488.13 and 93,951.46 is: 129,649.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,575.71 : 228,488.13 = 93,951.46 : x
  2. Step 2: Convert to fraction form
    165,575.71/228,488.13 = 93,951.46/x
  3. Step 3: Cross multiply
    165,575.71x = 228,488.13 × 93,951.46
  4. Step 4: Simplify right side
    165,575.71x = 21,466,793,406.17
  5. Step 5: Solve for x
    x = 21,466,793,406.17/165,575.71
  6. Step 6: Final answer
    x = 129,649.41

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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.