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Finding the Fourth Proportional to 173,634.60, 260,400.70 and 68,418.60

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Solution

The fourth proportional to 173,634.60, 260,400.70 and 68,418.60 is: 102,607.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,634.60 : 260,400.70 = 68,418.60 : x
  2. Step 2: Convert to fraction form
    173,634.60/260,400.70 = 68,418.60/x
  3. Step 3: Cross multiply
    173,634.60x = 260,400.70 × 68,418.60
  4. Step 4: Simplify right side
    173,634.60x = 17,816,251,333.02
  5. Step 5: Solve for x
    x = 17,816,251,333.02/173,634.60
  6. Step 6: Final answer
    x = 102,607.73

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1.5x scale

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.