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Finding the Fourth Proportional to 172,841.04, 238,512.74 and 96,368.54

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Solution

The fourth proportional to 172,841.04, 238,512.74 and 96,368.54 is: 132,984.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,841.04 : 238,512.74 = 96,368.54 : x
  2. Step 2: Convert to fraction form
    172,841.04/238,512.74 = 96,368.54/x
  3. Step 3: Cross multiply
    172,841.04x = 238,512.74 × 96,368.54
  4. Step 4: Simplify right side
    172,841.04x = 22,985,122,850.79
  5. Step 5: Solve for x
    x = 22,985,122,850.79/172,841.04
  6. Step 6: Final answer
    x = 132,984.17

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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.