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Finding the Fourth Proportional to 175,258.80, 262,542.60 and 104,929.20

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Solution

The fourth proportional to 175,258.80, 262,542.60 and 104,929.20 is: 157,186.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,258.80 : 262,542.60 = 104,929.20 : x
  2. Step 2: Convert to fraction form
    175,258.80/262,542.60 = 104,929.20/x
  3. Step 3: Cross multiply
    175,258.80x = 262,542.60 × 104,929.20
  4. Step 4: Simplify right side
    175,258.80x = 27,548,384,983.92
  5. Step 5: Solve for x
    x = 27,548,384,983.92/175,258.80
  6. Step 6: Final answer
    x = 157,186.89

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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.