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Finding the Fourth Proportional to 124,422.84, 186,754.56 and 117,679.62

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Solution

The fourth proportional to 124,422.84, 186,754.56 and 117,679.62 is: 176,633.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,422.84 : 186,754.56 = 117,679.62 : x
  2. Step 2: Convert to fraction form
    124,422.84/186,754.56 = 117,679.62/x
  3. Step 3: Cross multiply
    124,422.84x = 186,754.56 × 117,679.62
  4. Step 4: Simplify right side
    124,422.84x = 21,977,205,654.07
  5. Step 5: Solve for x
    x = 21,977,205,654.07/124,422.84
  6. Step 6: Final answer
    x = 176,633.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.