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Finding the Fourth Proportional to 170,045.20, 255,067.80 and 151,674.40

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Solution

The fourth proportional to 170,045.20, 255,067.80 and 151,674.40 is: 227,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,045.20 : 255,067.80 = 151,674.40 : x
  2. Step 2: Convert to fraction form
    170,045.20/255,067.80 = 151,674.40/x
  3. Step 3: Cross multiply
    170,045.20x = 255,067.80 × 151,674.40
  4. Step 4: Simplify right side
    170,045.20x = 38,687,255,524.32
  5. Step 5: Solve for x
    x = 38,687,255,524.32/170,045.20
  6. Step 6: Final answer
    x = 227,511.60

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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.