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Finding the Fourth Proportional to 268,047.96, 369,830.70 and 172,610.04

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Solution

The fourth proportional to 268,047.96, 369,830.70 and 172,610.04 is: 238,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,047.96 : 369,830.70 = 172,610.04 : x
  2. Step 2: Convert to fraction form
    268,047.96/369,830.70 = 172,610.04/x
  3. Step 3: Cross multiply
    268,047.96x = 369,830.70 × 172,610.04
  4. Step 4: Simplify right side
    268,047.96x = 63,836,491,920.23
  5. Step 5: Solve for x
    x = 63,836,491,920.23/268,047.96
  6. Step 6: Final answer
    x = 238,153.25

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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.