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Finding the Fourth Proportional to 179,637.80, 269,456.70 and 123,650.60

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Solution

The fourth proportional to 179,637.80, 269,456.70 and 123,650.60 is: 185,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,637.80 : 269,456.70 = 123,650.60 : x
  2. Step 2: Convert to fraction form
    179,637.80/269,456.70 = 123,650.60/x
  3. Step 3: Cross multiply
    179,637.80x = 269,456.70 × 123,650.60
  4. Step 4: Simplify right side
    179,637.80x = 33,318,482,629.02
  5. Step 5: Solve for x
    x = 33,318,482,629.02/179,637.80
  6. Step 6: Final answer
    x = 185,475.90

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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.