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Finding the Fourth Proportional to 180,856.90, 271,026.15 and 133,099.30

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Solution

The fourth proportional to 180,856.90, 271,026.15 and 133,099.30 is: 199,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,856.90 : 271,026.15 = 133,099.30 : x
  2. Step 2: Convert to fraction form
    180,856.90/271,026.15 = 133,099.30/x
  3. Step 3: Cross multiply
    180,856.90x = 271,026.15 × 133,099.30
  4. Step 4: Simplify right side
    180,856.90x = 36,073,390,846.70
  5. Step 5: Solve for x
    x = 36,073,390,846.70/180,856.90
  6. Step 6: Final answer
    x = 199,458.20

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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.