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Finding the Fourth Proportional to 202,042.59, 278,820.95 and 110,161.12

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Solution

The fourth proportional to 202,042.59, 278,820.95 and 110,161.12 is: 152,023.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,042.59 : 278,820.95 = 110,161.12 : x
  2. Step 2: Convert to fraction form
    202,042.59/278,820.95 = 110,161.12/x
  3. Step 3: Cross multiply
    202,042.59x = 278,820.95 × 110,161.12
  4. Step 4: Simplify right side
    202,042.59x = 30,715,228,131.46
  5. Step 5: Solve for x
    x = 30,715,228,131.46/202,042.59
  6. Step 6: Final answer
    x = 152,023.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.