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Finding the Fourth Proportional to 141,650.80, 212,476.20 and 133,340.20

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Solution

The fourth proportional to 141,650.80, 212,476.20 and 133,340.20 is: 200,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,650.80 : 212,476.20 = 133,340.20 : x
  2. Step 2: Convert to fraction form
    141,650.80/212,476.20 = 133,340.20/x
  3. Step 3: Cross multiply
    141,650.80x = 212,476.20 × 133,340.20
  4. Step 4: Simplify right side
    141,650.80x = 28,331,619,003.24
  5. Step 5: Solve for x
    x = 28,331,619,003.24/141,650.80
  6. Step 6: Final answer
    x = 200,010.30

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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.