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Finding the Fourth Proportional to 173,848.80, 260,696.40 and 80,383.20

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Solution

The fourth proportional to 173,848.80, 260,696.40 and 80,383.20 is: 120,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,848.80 : 260,696.40 = 80,383.20 : x
  2. Step 2: Convert to fraction form
    173,848.80/260,696.40 = 80,383.20/x
  3. Step 3: Cross multiply
    173,848.80x = 260,696.40 × 80,383.20
  4. Step 4: Simplify right side
    173,848.80x = 20,955,610,860.48
  5. Step 5: Solve for x
    x = 20,955,610,860.48/173,848.80
  6. Step 6: Final answer
    x = 120,539.29

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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.