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Finding the Fourth Proportional to 173,322.20, 259,691.70 and 162,824.60

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Solution

The fourth proportional to 173,322.20, 259,691.70 and 162,824.60 is: 243,962.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,322.20 : 259,691.70 = 162,824.60 : x
  2. Step 2: Convert to fraction form
    173,322.20/259,691.70 = 162,824.60/x
  3. Step 3: Cross multiply
    173,322.20x = 259,691.70 × 162,824.60
  4. Step 4: Simplify right side
    173,322.20x = 42,284,197,175.82
  5. Step 5: Solve for x
    x = 42,284,197,175.82/173,322.20
  6. Step 6: Final answer
    x = 243,962.96

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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.