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Finding the Fourth Proportional to 168,943.60, 233,142.60 and 93,494.80

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Solution

The fourth proportional to 168,943.60, 233,142.60 and 93,494.80 is: 129,023.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,943.60 : 233,142.60 = 93,494.80 : x
  2. Step 2: Convert to fraction form
    168,943.60/233,142.60 = 93,494.80/x
  3. Step 3: Cross multiply
    168,943.60x = 233,142.60 × 93,494.80
  4. Step 4: Simplify right side
    168,943.60x = 21,797,620,758.48
  5. Step 5: Solve for x
    x = 21,797,620,758.48/168,943.60
  6. Step 6: Final answer
    x = 129,023.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.