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Finding the Fourth Proportional to 170,061.60, 254,785.20 and 150,400.80

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Solution

The fourth proportional to 170,061.60, 254,785.20 and 150,400.80 is: 225,329.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,061.60 : 254,785.20 = 150,400.80 : x
  2. Step 2: Convert to fraction form
    170,061.60/254,785.20 = 150,400.80/x
  3. Step 3: Cross multiply
    170,061.60x = 254,785.20 × 150,400.80
  4. Step 4: Simplify right side
    170,061.60x = 38,319,897,908.16
  5. Step 5: Solve for x
    x = 38,319,897,908.16/170,061.60
  6. Step 6: Final answer
    x = 225,329.52

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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.