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Finding the Fourth Proportional to 173,494.40, 259,723.20 and 103,337.60

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Solution

The fourth proportional to 173,494.40, 259,723.20 and 103,337.60 is: 154,697.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,494.40 : 259,723.20 = 103,337.60 : x
  2. Step 2: Convert to fraction form
    173,494.40/259,723.20 = 103,337.60/x
  3. Step 3: Cross multiply
    173,494.40x = 259,723.20 × 103,337.60
  4. Step 4: Simplify right side
    173,494.40x = 26,839,172,152.32
  5. Step 5: Solve for x
    x = 26,839,172,152.32/173,494.40
  6. Step 6: Final answer
    x = 154,697.63

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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.