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Finding the Fourth Proportional to 172,544.82, 238,117.14 and 93,968.06

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Solution

The fourth proportional to 172,544.82, 238,117.14 and 93,968.06 is: 129,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,544.82 : 238,117.14 = 93,968.06 : x
  2. Step 2: Convert to fraction form
    172,544.82/238,117.14 = 93,968.06/x
  3. Step 3: Cross multiply
    172,544.82x = 238,117.14 × 93,968.06
  4. Step 4: Simplify right side
    172,544.82x = 22,375,405,698.55
  5. Step 5: Solve for x
    x = 22,375,405,698.55/172,544.82
  6. Step 6: Final answer
    x = 129,678.80

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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.