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Finding the Fourth Proportional to 125,620.66, 188,390.50 and 41,360.77

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Solution

The fourth proportional to 125,620.66, 188,390.50 and 41,360.77 is: 62,027.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,620.66 : 188,390.50 = 41,360.77 : x
  2. Step 2: Convert to fraction form
    125,620.66/188,390.50 = 41,360.77/x
  3. Step 3: Cross multiply
    125,620.66x = 188,390.50 × 41,360.77
  4. Step 4: Simplify right side
    125,620.66x = 7,791,975,566.31
  5. Step 5: Solve for x
    x = 7,791,975,566.31/125,620.66
  6. Step 6: Final answer
    x = 62,027.82

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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.