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Finding the Fourth Proportional to 177,800.80, 266,182.80 and 172,616.80

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Solution

The fourth proportional to 177,800.80, 266,182.80 and 172,616.80 is: 258,421.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,800.80 : 266,182.80 = 172,616.80 : x
  2. Step 2: Convert to fraction form
    177,800.80/266,182.80 = 172,616.80/x
  3. Step 3: Cross multiply
    177,800.80x = 266,182.80 × 172,616.80
  4. Step 4: Simplify right side
    177,800.80x = 45,947,623,151.04
  5. Step 5: Solve for x
    x = 45,947,623,151.04/177,800.80
  6. Step 6: Final answer
    x = 258,421.91

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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.