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Finding the Fourth Proportional to 173,677.80, 260,603.10 and 68,500.20

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Solution

The fourth proportional to 173,677.80, 260,603.10 and 68,500.20 is: 102,784.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,677.80 : 260,603.10 = 68,500.20 : x
  2. Step 2: Convert to fraction form
    173,677.80/260,603.10 = 68,500.20/x
  3. Step 3: Cross multiply
    173,677.80x = 260,603.10 × 68,500.20
  4. Step 4: Simplify right side
    173,677.80x = 17,851,364,470.62
  5. Step 5: Solve for x
    x = 17,851,364,470.62/173,677.80
  6. Step 6: Final answer
    x = 102,784.38

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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.