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Finding the Fourth Proportional to 82,318.80, 113,601.80 and 48,337.04

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Solution

The fourth proportional to 82,318.80, 113,601.80 and 48,337.04 is: 66,706.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,318.80 : 113,601.80 = 48,337.04 : x
  2. Step 2: Convert to fraction form
    82,318.80/113,601.80 = 48,337.04/x
  3. Step 3: Cross multiply
    82,318.80x = 113,601.80 × 48,337.04
  4. Step 4: Simplify right side
    82,318.80x = 5,491,174,750.67
  5. Step 5: Solve for x
    x = 5,491,174,750.67/82,318.80
  6. Step 6: Final answer
    x = 66,706.21

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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.