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Finding the Fourth Proportional to 177,824.60, 266,080.80 and 162,078.20

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Solution

The fourth proportional to 177,824.60, 266,080.80 and 162,078.20 is: 242,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,824.60 : 266,080.80 = 162,078.20 : x
  2. Step 2: Convert to fraction form
    177,824.60/266,080.80 = 162,078.20/x
  3. Step 3: Cross multiply
    177,824.60x = 266,080.80 × 162,078.20
  4. Step 4: Simplify right side
    177,824.60x = 43,125,897,118.56
  5. Step 5: Solve for x
    x = 43,125,897,118.56/177,824.60
  6. Step 6: Final answer
    x = 242,519.30

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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.