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Finding the Fourth Proportional to 239,717.46, 359,642.43 and 104,793.30

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Solution

The fourth proportional to 239,717.46, 359,642.43 and 104,793.30 is: 157,218.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,717.46 : 359,642.43 = 104,793.30 : x
  2. Step 2: Convert to fraction form
    239,717.46/359,642.43 = 104,793.30/x
  3. Step 3: Cross multiply
    239,717.46x = 359,642.43 × 104,793.30
  4. Step 4: Simplify right side
    239,717.46x = 37,688,117,059.72
  5. Step 5: Solve for x
    x = 37,688,117,059.72/239,717.46
  6. Step 6: Final answer
    x = 157,218.91

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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.