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Finding the Fourth Proportional to 101,326.29, 151,989.44 and 26,445.78

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Solution

The fourth proportional to 101,326.29, 151,989.44 and 26,445.78 is: 39,668.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,326.29 : 151,989.44 = 26,445.78 : x
  2. Step 2: Convert to fraction form
    101,326.29/151,989.44 = 26,445.78/x
  3. Step 3: Cross multiply
    101,326.29x = 151,989.44 × 26,445.78
  4. Step 4: Simplify right side
    101,326.29x = 4,019,479,982.79
  5. Step 5: Solve for x
    x = 4,019,479,982.79/101,326.29
  6. Step 6: Final answer
    x = 39,668.68

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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.