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Finding the Fourth Proportional to 251,967.40, 377,513.70 and 163,175.20

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Solution

The fourth proportional to 251,967.40, 377,513.70 and 163,175.20 is: 244,479.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,967.40 : 377,513.70 = 163,175.20 : x
  2. Step 2: Convert to fraction form
    251,967.40/377,513.70 = 163,175.20/x
  3. Step 3: Cross multiply
    251,967.40x = 377,513.70 × 163,175.20
  4. Step 4: Simplify right side
    251,967.40x = 61,600,873,500.24
  5. Step 5: Solve for x
    x = 61,600,873,500.24/251,967.40
  6. Step 6: Final answer
    x = 244,479.54

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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.