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Finding the Fourth Proportional to 124,060.20, 186,163.20 and 45,182.40

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Solution

The fourth proportional to 124,060.20, 186,163.20 and 45,182.40 is: 67,800.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,060.20 : 186,163.20 = 45,182.40 : x
  2. Step 2: Convert to fraction form
    124,060.20/186,163.20 = 45,182.40/x
  3. Step 3: Cross multiply
    124,060.20x = 186,163.20 × 45,182.40
  4. Step 4: Simplify right side
    124,060.20x = 8,411,300,167.68
  5. Step 5: Solve for x
    x = 8,411,300,167.68/124,060.20
  6. Step 6: Final answer
    x = 67,800.15

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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.