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Finding the Fourth Proportional to 179,687.20, 269,530.80 and 177,354.40

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Solution

The fourth proportional to 179,687.20, 269,530.80 and 177,354.40 is: 266,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,687.20 : 269,530.80 = 177,354.40 : x
  2. Step 2: Convert to fraction form
    179,687.20/269,530.80 = 177,354.40/x
  3. Step 3: Cross multiply
    179,687.20x = 269,530.80 × 177,354.40
  4. Step 4: Simplify right side
    179,687.20x = 47,802,473,315.52
  5. Step 5: Solve for x
    x = 47,802,473,315.52/179,687.20
  6. Step 6: Final answer
    x = 266,031.60

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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.