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Finding the Fourth Proportional to 239,316.76, 359,037.41 and 89,568.82

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Solution

The fourth proportional to 239,316.76, 359,037.41 and 89,568.82 is: 134,376.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,316.76 : 359,037.41 = 89,568.82 : x
  2. Step 2: Convert to fraction form
    239,316.76/359,037.41 = 89,568.82/x
  3. Step 3: Cross multiply
    239,316.76x = 359,037.41 × 89,568.82
  4. Step 4: Simplify right side
    239,316.76x = 32,158,557,149.56
  5. Step 5: Solve for x
    x = 32,158,557,149.56/239,316.76
  6. Step 6: Final answer
    x = 134,376.54

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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.