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Finding the Fourth Proportional to 231,506.55, 347,325.57 and 73,747.17

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Solution

The fourth proportional to 231,506.55, 347,325.57 and 73,747.17 is: 110,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,506.55 : 347,325.57 = 73,747.17 : x
  2. Step 2: Convert to fraction form
    231,506.55/347,325.57 = 73,747.17/x
  3. Step 3: Cross multiply
    231,506.55x = 347,325.57 × 73,747.17
  4. Step 4: Simplify right side
    231,506.55x = 25,614,277,856.14
  5. Step 5: Solve for x
    x = 25,614,277,856.14/231,506.55
  6. Step 6: Final answer
    x = 110,641.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.