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Finding the Fourth Proportional to 159,100.59, 238,716.97 and 64,397.72

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Solution

The fourth proportional to 159,100.59, 238,716.97 and 64,397.72 is: 96,623.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,100.59 : 238,716.97 = 64,397.72 : x
  2. Step 2: Convert to fraction form
    159,100.59/238,716.97 = 64,397.72/x
  3. Step 3: Cross multiply
    159,100.59x = 238,716.97 × 64,397.72
  4. Step 4: Simplify right side
    159,100.59x = 15,372,828,048.56
  5. Step 5: Solve for x
    x = 15,372,828,048.56/159,100.59
  6. Step 6: Final answer
    x = 96,623.33

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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.