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Finding the Fourth Proportional to 167,577.80, 251,220.90 and 100,947.20

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Solution

The fourth proportional to 167,577.80, 251,220.90 and 100,947.20 is: 151,332.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,577.80 : 251,220.90 = 100,947.20 : x
  2. Step 2: Convert to fraction form
    167,577.80/251,220.90 = 100,947.20/x
  3. Step 3: Cross multiply
    167,577.80x = 251,220.90 × 100,947.20
  4. Step 4: Simplify right side
    167,577.80x = 25,360,046,436.48
  5. Step 5: Solve for x
    x = 25,360,046,436.48/167,577.80
  6. Step 6: Final answer
    x = 151,332.97

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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.