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Finding the Fourth Proportional to 159,255.79, 238,803.09 and 70,536.49

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Solution

The fourth proportional to 159,255.79, 238,803.09 and 70,536.49 is: 105,769.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,255.79 : 238,803.09 = 70,536.49 : x
  2. Step 2: Convert to fraction form
    159,255.79/238,803.09 = 70,536.49/x
  3. Step 3: Cross multiply
    159,255.79x = 238,803.09 × 70,536.49
  4. Step 4: Simplify right side
    159,255.79x = 16,844,331,769.75
  5. Step 5: Solve for x
    x = 16,844,331,769.75/159,255.79
  6. Step 6: Final answer
    x = 105,769.04

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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.