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Finding the Fourth Proportional to 176,046.43, 264,062.33 and 81,245.11

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Solution

The fourth proportional to 176,046.43, 264,062.33 and 81,245.11 is: 121,864.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,046.43 : 264,062.33 = 81,245.11 : x
  2. Step 2: Convert to fraction form
    176,046.43/264,062.33 = 81,245.11/x
  3. Step 3: Cross multiply
    176,046.43x = 264,062.33 × 81,245.11
  4. Step 4: Simplify right side
    176,046.43x = 21,453,773,047.71
  5. Step 5: Solve for x
    x = 21,453,773,047.71/176,046.43
  6. Step 6: Final answer
    x = 121,864.29

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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.