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Finding the Fourth Proportional to 177,149.80, 266,031.90 and 124,925.80

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Solution

The fourth proportional to 177,149.80, 266,031.90 and 124,925.80 is: 187,605.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,149.80 : 266,031.90 = 124,925.80 : x
  2. Step 2: Convert to fraction form
    177,149.80/266,031.90 = 124,925.80/x
  3. Step 3: Cross multiply
    177,149.80x = 266,031.90 × 124,925.80
  4. Step 4: Simplify right side
    177,149.80x = 33,234,247,933.02
  5. Step 5: Solve for x
    x = 33,234,247,933.02/177,149.80
  6. Step 6: Final answer
    x = 187,605.34

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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.