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Finding the Fourth Proportional to 125,649.60, 173,375.52 and 83,265.60

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Solution

The fourth proportional to 125,649.60, 173,375.52 and 83,265.60 is: 114,892.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,649.60 : 173,375.52 = 83,265.60 : x
  2. Step 2: Convert to fraction form
    125,649.60/173,375.52 = 83,265.60/x
  3. Step 3: Cross multiply
    125,649.60x = 173,375.52 × 83,265.60
  4. Step 4: Simplify right side
    125,649.60x = 14,436,216,698.11
  5. Step 5: Solve for x
    x = 14,436,216,698.11/125,649.60
  6. Step 6: Final answer
    x = 114,892.66

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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.