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Finding the Fourth Proportional to 68,957.42, 95,201.15 and 45,125.69

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Solution

The fourth proportional to 68,957.42, 95,201.15 and 45,125.69 is: 62,299.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,957.42 : 95,201.15 = 45,125.69 : x
  2. Step 2: Convert to fraction form
    68,957.42/95,201.15 = 45,125.69/x
  3. Step 3: Cross multiply
    68,957.42x = 95,201.15 × 45,125.69
  4. Step 4: Simplify right side
    68,957.42x = 4,296,016,880.91
  5. Step 5: Solve for x
    x = 4,296,016,880.91/68,957.42
  6. Step 6: Final answer
    x = 62,299.56

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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.