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Finding the Fourth Proportional to 159,164.01, 219,650.48 and 87,545.91

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Solution

The fourth proportional to 159,164.01, 219,650.48 and 87,545.91 is: 120,815.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,164.01 : 219,650.48 = 87,545.91 : x
  2. Step 2: Convert to fraction form
    159,164.01/219,650.48 = 87,545.91/x
  3. Step 3: Cross multiply
    159,164.01x = 219,650.48 × 87,545.91
  4. Step 4: Simplify right side
    159,164.01x = 19,229,500,715.81
  5. Step 5: Solve for x
    x = 19,229,500,715.81/159,164.01
  6. Step 6: Final answer
    x = 120,815.63

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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.