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Finding the Fourth Proportional to 245,005.71, 367,442.96 and 67,470.52

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Solution

The fourth proportional to 245,005.71, 367,442.96 and 67,470.52 is: 101,187.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,005.71 : 367,442.96 = 67,470.52 : x
  2. Step 2: Convert to fraction form
    245,005.71/367,442.96 = 67,470.52/x
  3. Step 3: Cross multiply
    245,005.71x = 367,442.96 × 67,470.52
  4. Step 4: Simplify right side
    245,005.71x = 24,791,566,325.58
  5. Step 5: Solve for x
    x = 24,791,566,325.58/245,005.71
  6. Step 6: Final answer
    x = 101,187.71

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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.