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Finding the Fourth Proportional to 69,442.96, 95,599.56 and 66,269.38

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Solution

The fourth proportional to 69,442.96, 95,599.56 and 66,269.38 is: 91,230.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,442.96 : 95,599.56 = 66,269.38 : x
  2. Step 2: Convert to fraction form
    69,442.96/95,599.56 = 66,269.38/x
  3. Step 3: Cross multiply
    69,442.96x = 95,599.56 × 66,269.38
  4. Step 4: Simplify right side
    69,442.96x = 6,335,323,569.47
  5. Step 5: Solve for x
    x = 6,335,323,569.47/69,442.96
  6. Step 6: Final answer
    x = 91,230.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.