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Finding the Fourth Proportional to 69,442.92, 96,234.28 and 68,113.71

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Solution

The fourth proportional to 69,442.92, 96,234.28 and 68,113.71 is: 94,392.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,442.92 : 96,234.28 = 68,113.71 : x
  2. Step 2: Convert to fraction form
    69,442.92/96,234.28 = 68,113.71/x
  3. Step 3: Cross multiply
    69,442.92x = 96,234.28 × 68,113.71
  4. Step 4: Simplify right side
    69,442.92x = 6,554,873,669.69
  5. Step 5: Solve for x
    x = 6,554,873,669.69/69,442.92
  6. Step 6: Final answer
    x = 94,392.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.