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Finding the Fourth Proportional to 171,020.32, 255,278.05 and 150,820.13

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Solution

The fourth proportional to 171,020.32, 255,278.05 and 150,820.13 is: 225,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,020.32 : 255,278.05 = 150,820.13 : x
  2. Step 2: Convert to fraction form
    171,020.32/255,278.05 = 150,820.13/x
  3. Step 3: Cross multiply
    171,020.32x = 255,278.05 × 150,820.13
  4. Step 4: Simplify right side
    171,020.32x = 38,501,068,948.29
  5. Step 5: Solve for x
    x = 38,501,068,948.29/171,020.32
  6. Step 6: Final answer
    x = 225,125.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.