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Finding the Fourth Proportional to 125,693.34, 188,499.97 and 41,437.79

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Solution

The fourth proportional to 125,693.34, 188,499.97 and 41,437.79 is: 62,143.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,693.34 : 188,499.97 = 41,437.79 : x
  2. Step 2: Convert to fraction form
    125,693.34/188,499.97 = 41,437.79/x
  3. Step 3: Cross multiply
    125,693.34x = 188,499.97 × 41,437.79
  4. Step 4: Simplify right side
    125,693.34x = 7,811,021,988.04
  5. Step 5: Solve for x
    x = 7,811,021,988.04/125,693.34
  6. Step 6: Final answer
    x = 62,143.49

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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.