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Finding the Fourth Proportional to 272,676.43, 409,036.52 and 95,179.51

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Solution

The fourth proportional to 272,676.43, 409,036.52 and 95,179.51 is: 142,776.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,676.43 : 409,036.52 = 95,179.51 : x
  2. Step 2: Convert to fraction form
    272,676.43/409,036.52 = 95,179.51/x
  3. Step 3: Cross multiply
    272,676.43x = 409,036.52 × 95,179.51
  4. Step 4: Simplify right side
    272,676.43x = 38,931,895,545.71
  5. Step 5: Solve for x
    x = 38,931,895,545.71/272,676.43
  6. Step 6: Final answer
    x = 142,776.90

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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.