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Finding the Fourth Proportional to 173,264.40, 260,042.40 and 68,158.80

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Solution

The fourth proportional to 173,264.40, 260,042.40 and 68,158.80 is: 102,295.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,264.40 : 260,042.40 = 68,158.80 : x
  2. Step 2: Convert to fraction form
    173,264.40/260,042.40 = 68,158.80/x
  3. Step 3: Cross multiply
    173,264.40x = 260,042.40 × 68,158.80
  4. Step 4: Simplify right side
    173,264.40x = 17,724,177,933.12
  5. Step 5: Solve for x
    x = 17,724,177,933.12/173,264.40
  6. Step 6: Final answer
    x = 102,295.55

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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.