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Finding the Fourth Proportional to 168,095.72, 252,162.03 and 83,877.08

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Solution

The fourth proportional to 168,095.72, 252,162.03 and 83,877.08 is: 125,824.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,095.72 : 252,162.03 = 83,877.08 : x
  2. Step 2: Convert to fraction form
    168,095.72/252,162.03 = 83,877.08/x
  3. Step 3: Cross multiply
    168,095.72x = 252,162.03 × 83,877.08
  4. Step 4: Simplify right side
    168,095.72x = 21,150,613,502.46
  5. Step 5: Solve for x
    x = 21,150,613,502.46/168,095.72
  6. Step 6: Final answer
    x = 125,824.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.