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Finding the Fourth Proportional to 159,081.76, 238,571.93 and 52,445.84

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Solution

The fourth proportional to 159,081.76, 238,571.93 and 52,445.84 is: 78,652.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,081.76 : 238,571.93 = 52,445.84 : x
  2. Step 2: Convert to fraction form
    159,081.76/238,571.93 = 52,445.84/x
  3. Step 3: Cross multiply
    159,081.76x = 238,571.93 × 52,445.84
  4. Step 4: Simplify right side
    159,081.76x = 12,512,105,007.04
  5. Step 5: Solve for x
    x = 12,512,105,007.04/159,081.76
  6. Step 6: Final answer
    x = 78,652.04

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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.