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Finding the Fourth Proportional to 233,494.71, 350,112.64 and 81,651.13

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Solution

The fourth proportional to 233,494.71, 350,112.64 and 81,651.13 is: 122,431.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,494.71 : 350,112.64 = 81,651.13 : x
  2. Step 2: Convert to fraction form
    233,494.71/350,112.64 = 81,651.13/x
  3. Step 3: Cross multiply
    233,494.71x = 350,112.64 × 81,651.13
  4. Step 4: Simplify right side
    233,494.71x = 28,587,093,853.35
  5. Step 5: Solve for x
    x = 28,587,093,853.35/233,494.71
  6. Step 6: Final answer
    x = 122,431.44

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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.