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Finding the Fourth Proportional to 168,019.70, 252,029.55 and 151,106.90

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Solution

The fourth proportional to 168,019.70, 252,029.55 and 151,106.90 is: 226,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,019.70 : 252,029.55 = 151,106.90 : x
  2. Step 2: Convert to fraction form
    168,019.70/252,029.55 = 151,106.90/x
  3. Step 3: Cross multiply
    168,019.70x = 252,029.55 × 151,106.90
  4. Step 4: Simplify right side
    168,019.70x = 38,083,404,008.90
  5. Step 5: Solve for x
    x = 38,083,404,008.90/168,019.70
  6. Step 6: Final answer
    x = 226,660.35

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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.