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Finding the Fourth Proportional to 245,225.52, 367,839.12 and 67,728.60

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Solution

The fourth proportional to 245,225.52, 367,839.12 and 67,728.60 is: 101,593.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,225.52 : 367,839.12 = 67,728.60 : x
  2. Step 2: Convert to fraction form
    245,225.52/367,839.12 = 67,728.60/x
  3. Step 3: Cross multiply
    245,225.52x = 367,839.12 × 67,728.60
  4. Step 4: Simplify right side
    245,225.52x = 24,913,228,622.83
  5. Step 5: Solve for x
    x = 24,913,228,622.83/245,225.52
  6. Step 6: Final answer
    x = 101,593.13

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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.