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Finding the Fourth Proportional to 125,885.86, 188,857.23 and 41,645.82

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Solution

The fourth proportional to 125,885.86, 188,857.23 and 41,645.82 is: 62,478.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,885.86 : 188,857.23 = 41,645.82 : x
  2. Step 2: Convert to fraction form
    125,885.86/188,857.23 = 41,645.82/x
  3. Step 3: Cross multiply
    125,885.86x = 188,857.23 × 41,645.82
  4. Step 4: Simplify right side
    125,885.86x = 7,865,114,155.32
  5. Step 5: Solve for x
    x = 7,865,114,155.32/125,885.86
  6. Step 6: Final answer
    x = 62,478.14

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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.