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Finding the Fourth Proportional to 125,907.24, 188,773.38 and 55,748.28

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Solution

The fourth proportional to 125,907.24, 188,773.38 and 55,748.28 is: 83,583.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,907.24 : 188,773.38 = 55,748.28 : x
  2. Step 2: Convert to fraction form
    125,907.24/188,773.38 = 55,748.28/x
  3. Step 3: Cross multiply
    125,907.24x = 188,773.38 × 55,748.28
  4. Step 4: Simplify right side
    125,907.24x = 10,523,791,244.79
  5. Step 5: Solve for x
    x = 10,523,791,244.79/125,907.24
  6. Step 6: Final answer
    x = 83,583.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.