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Finding the Fourth Proportional to 172,796.13, 238,461.06 and 96,313.11

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Solution

The fourth proportional to 172,796.13, 238,461.06 and 96,313.11 is: 132,913.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,796.13 : 238,461.06 = 96,313.11 : x
  2. Step 2: Convert to fraction form
    172,796.13/238,461.06 = 96,313.11/x
  3. Step 3: Cross multiply
    172,796.13x = 238,461.06 × 96,313.11
  4. Step 4: Simplify right side
    172,796.13x = 22,966,926,302.50
  5. Step 5: Solve for x
    x = 22,966,926,302.50/172,796.13
  6. Step 6: Final answer
    x = 132,913.43

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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.