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Finding the Fourth Proportional to 168,321.78, 232,282.89 and 92,870.46

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Solution

The fourth proportional to 168,321.78, 232,282.89 and 92,870.46 is: 128,160.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,321.78 : 232,282.89 = 92,870.46 : x
  2. Step 2: Convert to fraction form
    168,321.78/232,282.89 = 92,870.46/x
  3. Step 3: Cross multiply
    168,321.78x = 232,282.89 × 92,870.46
  4. Step 4: Simplify right side
    168,321.78x = 21,572,218,844.43
  5. Step 5: Solve for x
    x = 21,572,218,844.43/168,321.78
  6. Step 6: Final answer
    x = 128,160.59

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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.