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Finding the Fourth Proportional to 125,615.16, 188,438.22 and 41,353.74

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Solution

The fourth proportional to 125,615.16, 188,438.22 and 41,353.74 is: 62,035.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,615.16 : 188,438.22 = 41,353.74 : x
  2. Step 2: Convert to fraction form
    125,615.16/188,438.22 = 41,353.74/x
  3. Step 3: Cross multiply
    125,615.16x = 188,438.22 × 41,353.74
  4. Step 4: Simplify right side
    125,615.16x = 7,792,625,155.94
  5. Step 5: Solve for x
    x = 7,792,625,155.94/125,615.16
  6. Step 6: Final answer
    x = 62,035.71

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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.