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Finding the Fourth Proportional to 124,182.88, 186,302.10 and 45,297.10

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Solution

The fourth proportional to 124,182.88, 186,302.10 and 45,297.10 is: 67,955.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,182.88 : 186,302.10 = 45,297.10 : x
  2. Step 2: Convert to fraction form
    124,182.88/186,302.10 = 45,297.10/x
  3. Step 3: Cross multiply
    124,182.88x = 186,302.10 × 45,297.10
  4. Step 4: Simplify right side
    124,182.88x = 8,438,944,853.91
  5. Step 5: Solve for x
    x = 8,438,944,853.91/124,182.88
  6. Step 6: Final answer
    x = 67,955.78

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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.