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Finding the Fourth Proportional to 239,775.88, 359,731.23 and 104,851.78

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Solution

The fourth proportional to 239,775.88, 359,731.23 and 104,851.78 is: 157,307.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,775.88 : 359,731.23 = 104,851.78 : x
  2. Step 2: Convert to fraction form
    239,775.88/359,731.23 = 104,851.78/x
  3. Step 3: Cross multiply
    239,775.88x = 359,731.23 × 104,851.78
  4. Step 4: Simplify right side
    239,775.88x = 37,718,459,787.09
  5. Step 5: Solve for x
    x = 37,718,459,787.09/239,775.88
  6. Step 6: Final answer
    x = 157,307.15

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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.