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Finding the Fourth Proportional to 239,776.88, 359,732.73 and 104,852.78

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Solution

The fourth proportional to 239,776.88, 359,732.73 and 104,852.78 is: 157,308.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,776.88 : 359,732.73 = 104,852.78 : x
  2. Step 2: Convert to fraction form
    239,776.88/359,732.73 = 104,852.78/x
  3. Step 3: Cross multiply
    239,776.88x = 359,732.73 × 104,852.78
  4. Step 4: Simplify right side
    239,776.88x = 37,718,976,797.49
  5. Step 5: Solve for x
    x = 37,718,976,797.49/239,776.88
  6. Step 6: Final answer
    x = 157,308.65

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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.