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Finding the Fourth Proportional to 149,548.60, 224,387.70 and 70,622.20

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Solution

The fourth proportional to 149,548.60, 224,387.70 and 70,622.20 is: 105,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,548.60 : 224,387.70 = 70,622.20 : x
  2. Step 2: Convert to fraction form
    149,548.60/224,387.70 = 70,622.20/x
  3. Step 3: Cross multiply
    149,548.60x = 224,387.70 × 70,622.20
  4. Step 4: Simplify right side
    149,548.60x = 15,846,753,026.94
  5. Step 5: Solve for x
    x = 15,846,753,026.94/149,548.60
  6. Step 6: Final answer
    x = 105,963.90

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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.