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Finding the Fourth Proportional to 108,770.80, 150,052.76 and 70,542.44

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Solution

The fourth proportional to 108,770.80, 150,052.76 and 70,542.44 is: 97,315.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,770.80 : 150,052.76 = 70,542.44 : x
  2. Step 2: Convert to fraction form
    108,770.80/150,052.76 = 70,542.44/x
  3. Step 3: Cross multiply
    108,770.80x = 150,052.76 × 70,542.44
  4. Step 4: Simplify right side
    108,770.80x = 10,585,087,819.13
  5. Step 5: Solve for x
    x = 10,585,087,819.13/108,770.80
  6. Step 6: Final answer
    x = 97,315.53

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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.