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Finding the Fourth Proportional to 168,370.71, 232,344.31 and 91,887.87

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Solution

The fourth proportional to 168,370.71, 232,344.31 and 91,887.87 is: 126,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,370.71 : 232,344.31 = 91,887.87 : x
  2. Step 2: Convert to fraction form
    168,370.71/232,344.31 = 91,887.87/x
  3. Step 3: Cross multiply
    168,370.71x = 232,344.31 × 91,887.87
  4. Step 4: Simplify right side
    168,370.71x = 21,349,624,103.66
  5. Step 5: Solve for x
    x = 21,349,624,103.66/168,370.71
  6. Step 6: Final answer
    x = 126,801.30

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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.