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Finding the Fourth Proportional to 175,988.43, 264,061.13 and 81,167.63

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Solution

The fourth proportional to 175,988.43, 264,061.13 and 81,167.63 is: 121,787.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,988.43 : 264,061.13 = 81,167.63 : x
  2. Step 2: Convert to fraction form
    175,988.43/264,061.13 = 81,167.63/x
  3. Step 3: Cross multiply
    175,988.43x = 264,061.13 × 81,167.63
  4. Step 4: Simplify right side
    175,988.43x = 21,433,214,371.08
  5. Step 5: Solve for x
    x = 21,433,214,371.08/175,988.43
  6. Step 6: Final answer
    x = 121,787.63

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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.