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Finding the Fourth Proportional to 239,331.54, 359,063.84 and 104,407.41

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Solution

The fourth proportional to 239,331.54, 359,063.84 and 104,407.41 is: 156,640.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,331.54 : 359,063.84 = 104,407.41 : x
  2. Step 2: Convert to fraction form
    239,331.54/359,063.84 = 104,407.41/x
  3. Step 3: Cross multiply
    239,331.54x = 359,063.84 × 104,407.41
  4. Step 4: Simplify right side
    239,331.54x = 37,488,925,559.05
  5. Step 5: Solve for x
    x = 37,488,925,559.05/239,331.54
  6. Step 6: Final answer
    x = 156,640.14

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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.