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Finding the Fourth Proportional to 168,780.71, 232,976.03 and 97,189.26

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Solution

The fourth proportional to 168,780.71, 232,976.03 and 97,189.26 is: 134,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,780.71 : 232,976.03 = 97,189.26 : x
  2. Step 2: Convert to fraction form
    168,780.71/232,976.03 = 97,189.26/x
  3. Step 3: Cross multiply
    168,780.71x = 232,976.03 × 97,189.26
  4. Step 4: Simplify right side
    168,780.71x = 22,642,767,467.49
  5. Step 5: Solve for x
    x = 22,642,767,467.49/168,780.71
  6. Step 6: Final answer
    x = 134,154.95

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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.