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Finding the Fourth Proportional to 245,173.90, 367,753.53 and 67,691.74

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Solution

The fourth proportional to 245,173.90, 367,753.53 and 67,691.74 is: 101,535.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,173.90 : 367,753.53 = 67,691.74 : x
  2. Step 2: Convert to fraction form
    245,173.90/367,753.53 = 67,691.74/x
  3. Step 3: Cross multiply
    245,173.90x = 367,753.53 × 67,691.74
  4. Step 4: Simplify right side
    245,173.90x = 24,893,876,336.84
  5. Step 5: Solve for x
    x = 24,893,876,336.84/245,173.90
  6. Step 6: Final answer
    x = 101,535.59

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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.