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Finding the Fourth Proportional to 168,780.83, 232,976.20 and 97,189.39

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Solution

The fourth proportional to 168,780.83, 232,976.20 and 97,189.39 is: 134,155.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,780.83 : 232,976.20 = 97,189.39 : x
  2. Step 2: Convert to fraction form
    168,780.83/232,976.20 = 97,189.39/x
  3. Step 3: Cross multiply
    168,780.83x = 232,976.20 × 97,189.39
  4. Step 4: Simplify right side
    168,780.83x = 22,642,813,597.64
  5. Step 5: Solve for x
    x = 22,642,813,597.64/168,780.83
  6. Step 6: Final answer
    x = 134,155.13

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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.