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Finding the Fourth Proportional to 86,672.46, 119,606.48 and 48,432.62

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Solution

The fourth proportional to 86,672.46, 119,606.48 and 48,432.62 is: 66,836.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,672.46 : 119,606.48 = 48,432.62 : x
  2. Step 2: Convert to fraction form
    86,672.46/119,606.48 = 48,432.62/x
  3. Step 3: Cross multiply
    86,672.46x = 119,606.48 × 48,432.62
  4. Step 4: Simplify right side
    86,672.46x = 5,792,855,195.38
  5. Step 5: Solve for x
    x = 5,792,855,195.38/86,672.46
  6. Step 6: Final answer
    x = 66,836.17

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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.