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Finding the Fourth Proportional to 248,175.43, 372,121.90 and 169,385.11

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Solution

The fourth proportional to 248,175.43, 372,121.90 and 169,385.11 is: 253,981.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,175.43 : 372,121.90 = 169,385.11 : x
  2. Step 2: Convert to fraction form
    248,175.43/372,121.90 = 169,385.11/x
  3. Step 3: Cross multiply
    248,175.43x = 372,121.90 × 169,385.11
  4. Step 4: Simplify right side
    248,175.43x = 63,031,908,964.91
  5. Step 5: Solve for x
    x = 63,031,908,964.91/248,175.43
  6. Step 6: Final answer
    x = 253,981.26

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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.