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Finding the Fourth Proportional to 172,484.39, 238,028.09 and 97,032.89

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Solution

The fourth proportional to 172,484.39, 238,028.09 and 97,032.89 is: 133,905.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,484.39 : 238,028.09 = 97,032.89 : x
  2. Step 2: Convert to fraction form
    172,484.39/238,028.09 = 97,032.89/x
  3. Step 3: Cross multiply
    172,484.39x = 238,028.09 × 97,032.89
  4. Step 4: Simplify right side
    172,484.39x = 23,096,553,473.88
  5. Step 5: Solve for x
    x = 23,096,553,473.88/172,484.39
  6. Step 6: Final answer
    x = 133,905.18

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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.