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Finding the Fourth Proportional to 124,197.91, 186,131.62 and 67,953.13

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Solution

The fourth proportional to 124,197.91, 186,131.62 and 67,953.13 is: 101,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,197.91 : 186,131.62 = 67,953.13 : x
  2. Step 2: Convert to fraction form
    124,197.91/186,131.62 = 67,953.13/x
  3. Step 3: Cross multiply
    124,197.91x = 186,131.62 × 67,953.13
  4. Step 4: Simplify right side
    124,197.91x = 12,648,225,790.58
  5. Step 5: Solve for x
    x = 12,648,225,790.58/124,197.91
  6. Step 6: Final answer
    x = 101,839.28

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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.