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Finding the Fourth Proportional to 149,951.56, 225,168.30 and 99,428.62

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Solution

The fourth proportional to 149,951.56, 225,168.30 and 99,428.62 is: 149,302.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,951.56 : 225,168.30 = 99,428.62 : x
  2. Step 2: Convert to fraction form
    149,951.56/225,168.30 = 99,428.62/x
  3. Step 3: Cross multiply
    149,951.56x = 225,168.30 × 99,428.62
  4. Step 4: Simplify right side
    149,951.56x = 22,388,173,336.75
  5. Step 5: Solve for x
    x = 22,388,173,336.75/149,951.56
  6. Step 6: Final answer
    x = 149,302.70

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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.