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Finding the Fourth Proportional to 165,575.84, 228,488.31 and 93,951.59

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Solution

The fourth proportional to 165,575.84, 228,488.31 and 93,951.59 is: 129,649.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,575.84 : 228,488.31 = 93,951.59 : x
  2. Step 2: Convert to fraction form
    165,575.84/228,488.31 = 93,951.59/x
  3. Step 3: Cross multiply
    165,575.84x = 228,488.31 × 93,951.59
  4. Step 4: Simplify right side
    165,575.84x = 21,466,838,878.47
  5. Step 5: Solve for x
    x = 21,466,838,878.47/165,575.84
  6. Step 6: Final answer
    x = 129,649.59

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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.