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Finding the Fourth Proportional to 168,966.48, 233,134.12 and 115,363.12

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Solution

The fourth proportional to 168,966.48, 233,134.12 and 115,363.12 is: 159,174.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,966.48 : 233,134.12 = 115,363.12 : x
  2. Step 2: Convert to fraction form
    168,966.48/233,134.12 = 115,363.12/x
  3. Step 3: Cross multiply
    168,966.48x = 233,134.12 × 115,363.12
  4. Step 4: Simplify right side
    168,966.48x = 26,895,079,461.65
  5. Step 5: Solve for x
    x = 26,895,079,461.65/168,966.48
  6. Step 6: Final answer
    x = 159,174.05

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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.