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Finding the Fourth Proportional to 124,412.76, 186,619.14 and 41,306.76

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Solution

The fourth proportional to 124,412.76, 186,619.14 and 41,306.76 is: 61,960.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,412.76 : 186,619.14 = 41,306.76 : x
  2. Step 2: Convert to fraction form
    124,412.76/186,619.14 = 41,306.76/x
  3. Step 3: Cross multiply
    124,412.76x = 186,619.14 × 41,306.76
  4. Step 4: Simplify right side
    124,412.76x = 7,708,632,027.39
  5. Step 5: Solve for x
    x = 7,708,632,027.39/124,412.76
  6. Step 6: Final answer
    x = 61,960.14

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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.