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Finding the Fourth Proportional to 149,753.46, 224,431.47 and 79,481.46

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Solution

The fourth proportional to 149,753.46, 224,431.47 and 79,481.46 is: 119,116.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,753.46 : 224,431.47 = 79,481.46 : x
  2. Step 2: Convert to fraction form
    149,753.46/224,431.47 = 79,481.46/x
  3. Step 3: Cross multiply
    149,753.46x = 224,431.47 × 79,481.46
  4. Step 4: Simplify right side
    149,753.46x = 17,838,140,905.55
  5. Step 5: Solve for x
    x = 17,838,140,905.55/149,753.46
  6. Step 6: Final answer
    x = 119,116.72

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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.