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Finding the Fourth Proportional to 177,891.40, 266,837.10 and 170,018.20

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Solution

The fourth proportional to 177,891.40, 266,837.10 and 170,018.20 is: 255,027.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,891.40 : 266,837.10 = 170,018.20 : x
  2. Step 2: Convert to fraction form
    177,891.40/266,837.10 = 170,018.20/x
  3. Step 3: Cross multiply
    177,891.40x = 266,837.10 × 170,018.20
  4. Step 4: Simplify right side
    177,891.40x = 45,367,163,435.22
  5. Step 5: Solve for x
    x = 45,367,163,435.22/177,891.40
  6. Step 6: Final answer
    x = 255,027.30

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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.