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Finding the Fourth Proportional to 168,052.30, 252,078.45 and 105,844.30

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Solution

The fourth proportional to 168,052.30, 252,078.45 and 105,844.30 is: 158,766.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,052.30 : 252,078.45 = 105,844.30 : x
  2. Step 2: Convert to fraction form
    168,052.30/252,078.45 = 105,844.30/x
  3. Step 3: Cross multiply
    168,052.30x = 252,078.45 × 105,844.30
  4. Step 4: Simplify right side
    168,052.30x = 26,681,067,085.34
  5. Step 5: Solve for x
    x = 26,681,067,085.34/168,052.30
  6. Step 6: Final answer
    x = 158,766.45

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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.