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Finding the Fourth Proportional to 159,524.54, 220,153.65 and 87,904.52

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Solution

The fourth proportional to 159,524.54, 220,153.65 and 87,904.52 is: 121,313.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,524.54 : 220,153.65 = 87,904.52 : x
  2. Step 2: Convert to fraction form
    159,524.54/220,153.65 = 87,904.52/x
  3. Step 3: Cross multiply
    159,524.54x = 220,153.65 × 87,904.52
  4. Step 4: Simplify right side
    159,524.54x = 19,352,500,929.50
  5. Step 5: Solve for x
    x = 19,352,500,929.50/159,524.54
  6. Step 6: Final answer
    x = 121,313.63

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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.