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Finding the Fourth Proportional to 177,145.80, 266,025.90 and 124,921.80

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Solution

The fourth proportional to 177,145.80, 266,025.90 and 124,921.80 is: 187,599.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,145.80 : 266,025.90 = 124,921.80 : x
  2. Step 2: Convert to fraction form
    177,145.80/266,025.90 = 124,921.80/x
  3. Step 3: Cross multiply
    177,145.80x = 266,025.90 × 124,921.80
  4. Step 4: Simplify right side
    177,145.80x = 33,232,434,274.62
  5. Step 5: Solve for x
    x = 33,232,434,274.62/177,145.80
  6. Step 6: Final answer
    x = 187,599.33

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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.