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Finding the Fourth Proportional to 202,116.40, 303,211.05 and 83,799.70

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Solution

The fourth proportional to 202,116.40, 303,211.05 and 83,799.70 is: 125,714.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,116.40 : 303,211.05 = 83,799.70 : x
  2. Step 2: Convert to fraction form
    202,116.40/303,211.05 = 83,799.70/x
  3. Step 3: Cross multiply
    202,116.40x = 303,211.05 × 83,799.70
  4. Step 4: Simplify right side
    202,116.40x = 25,408,995,026.69
  5. Step 5: Solve for x
    x = 25,408,995,026.69/202,116.40
  6. Step 6: Final answer
    x = 125,714.66

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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.