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Finding the Fourth Proportional to 299,675.64, 413,571.51 and 172,348.50

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Solution

The fourth proportional to 299,675.64, 413,571.51 and 172,348.50 is: 237,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,675.64 : 413,571.51 = 172,348.50 : x
  2. Step 2: Convert to fraction form
    299,675.64/413,571.51 = 172,348.50/x
  3. Step 3: Cross multiply
    299,675.64x = 413,571.51 × 172,348.50
  4. Step 4: Simplify right side
    299,675.64x = 71,278,429,391.24
  5. Step 5: Solve for x
    x = 71,278,429,391.24/299,675.64
  6. Step 6: Final answer
    x = 237,851.93

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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.