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Finding the Fourth Proportional to 124,421.82, 186,710.13 and 50,549.82

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Solution

The fourth proportional to 124,421.82, 186,710.13 and 50,549.82 is: 75,856.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,421.82 : 186,710.13 = 50,549.82 : x
  2. Step 2: Convert to fraction form
    124,421.82/186,710.13 = 50,549.82/x
  3. Step 3: Cross multiply
    124,421.82x = 186,710.13 × 50,549.82
  4. Step 4: Simplify right side
    124,421.82x = 9,438,163,463.68
  5. Step 5: Solve for x
    x = 9,438,163,463.68/124,421.82
  6. Step 6: Final answer
    x = 75,856.18

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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.