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Finding the Fourth Proportional to 253,001.26, 349,107.92 and 162,479.81

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Solution

The fourth proportional to 253,001.26, 349,107.92 and 162,479.81 is: 224,200.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,001.26 : 349,107.92 = 162,479.81 : x
  2. Step 2: Convert to fraction form
    253,001.26/349,107.92 = 162,479.81/x
  3. Step 3: Cross multiply
    253,001.26x = 349,107.92 × 162,479.81
  4. Step 4: Simplify right side
    253,001.26x = 56,722,985,953.16
  5. Step 5: Solve for x
    x = 56,722,985,953.16/253,001.26
  6. Step 6: Final answer
    x = 224,200.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.