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Finding the Fourth Proportional to 124,658.74, 186,932.76 and 35,891.53

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Solution

The fourth proportional to 124,658.74, 186,932.76 and 35,891.53 is: 53,821.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,658.74 : 186,932.76 = 35,891.53 : x
  2. Step 2: Convert to fraction form
    124,658.74/186,932.76 = 35,891.53/x
  3. Step 3: Cross multiply
    124,658.74x = 186,932.76 × 35,891.53
  4. Step 4: Simplify right side
    124,658.74x = 6,709,302,763.52
  5. Step 5: Solve for x
    x = 6,709,302,763.52/124,658.74
  6. Step 6: Final answer
    x = 53,821.36

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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.