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Finding the Fourth Proportional to 202,161.60, 303,461.10 and 127,366.20

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Solution

The fourth proportional to 202,161.60, 303,461.10 and 127,366.20 is: 191,187.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,161.60 : 303,461.10 = 127,366.20 : x
  2. Step 2: Convert to fraction form
    202,161.60/303,461.10 = 127,366.20/x
  3. Step 3: Cross multiply
    202,161.60x = 303,461.10 × 127,366.20
  4. Step 4: Simplify right side
    202,161.60x = 38,650,687,154.82
  5. Step 5: Solve for x
    x = 38,650,687,154.82/202,161.60
  6. Step 6: Final answer
    x = 191,187.09

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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.