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Finding the Fourth Proportional to 121,658.52, 182,538.36 and 50,596.72

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Solution

The fourth proportional to 121,658.52, 182,538.36 and 50,596.72 is: 75,916.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,658.52 : 182,538.36 = 50,596.72 : x
  2. Step 2: Convert to fraction form
    121,658.52/182,538.36 = 50,596.72/x
  3. Step 3: Cross multiply
    121,658.52x = 182,538.36 × 50,596.72
  4. Step 4: Simplify right side
    121,658.52x = 9,235,842,290.18
  5. Step 5: Solve for x
    x = 9,235,842,290.18/121,658.52
  6. Step 6: Final answer
    x = 75,916.12

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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.