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Finding the Fourth Proportional to 172,625.81, 238,159.14 and 172,359.71

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Solution

The fourth proportional to 172,625.81, 238,159.14 and 172,359.71 is: 237,792.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,625.81 : 238,159.14 = 172,359.71 : x
  2. Step 2: Convert to fraction form
    172,625.81/238,159.14 = 172,359.71/x
  3. Step 3: Cross multiply
    172,625.81x = 238,159.14 × 172,359.71
  4. Step 4: Simplify right side
    172,625.81x = 41,049,040,304.25
  5. Step 5: Solve for x
    x = 41,049,040,304.25/172,625.81
  6. Step 6: Final answer
    x = 237,792.02

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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.