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Finding the Fourth Proportional to 173,765.28, 260,669.38 and 61,422.34

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Solution

The fourth proportional to 173,765.28, 260,669.38 and 61,422.34 is: 92,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,765.28 : 260,669.38 = 61,422.34 : x
  2. Step 2: Convert to fraction form
    173,765.28/260,669.38 = 61,422.34/x
  3. Step 3: Cross multiply
    173,765.28x = 260,669.38 × 61,422.34
  4. Step 4: Simplify right side
    173,765.28x = 16,010,923,285.95
  5. Step 5: Solve for x
    x = 16,010,923,285.95/173,765.28
  6. Step 6: Final answer
    x = 92,141.10

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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.