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Finding the Fourth Proportional to 177,810.20, 266,715.30 and 169,645.40

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Solution

The fourth proportional to 177,810.20, 266,715.30 and 169,645.40 is: 254,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,810.20 : 266,715.30 = 169,645.40 : x
  2. Step 2: Convert to fraction form
    177,810.20/266,715.30 = 169,645.40/x
  3. Step 3: Cross multiply
    177,810.20x = 266,715.30 × 169,645.40
  4. Step 4: Simplify right side
    177,810.20x = 45,247,023,754.62
  5. Step 5: Solve for x
    x = 45,247,023,754.62/177,810.20
  6. Step 6: Final answer
    x = 254,468.10

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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.