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Finding the Fourth Proportional to 166,497.12, 229,761.36 and 91,044

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Solution

The fourth proportional to 166,497.12, 229,761.36 and 91,044 is: 125,638.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,497.12 : 229,761.36 = 91,044 : x
  2. Step 2: Convert to fraction form
    166,497.12/229,761.36 = 91,044/x
  3. Step 3: Cross multiply
    166,497.12x = 229,761.36 × 91,044
  4. Step 4: Simplify right side
    166,497.12x = 20,918,393,259.84
  5. Step 5: Solve for x
    x = 20,918,393,259.84/166,497.12
  6. Step 6: Final answer
    x = 125,638.17

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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.