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Finding the Fourth Proportional to 113,056.69, 169,583.28 and 38,229.40

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Solution

The fourth proportional to 113,056.69, 169,583.28 and 38,229.40 is: 57,343.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,056.69 : 169,583.28 = 38,229.40 : x
  2. Step 2: Convert to fraction form
    113,056.69/169,583.28 = 38,229.40/x
  3. Step 3: Cross multiply
    113,056.69x = 169,583.28 × 38,229.40
  4. Step 4: Simplify right side
    113,056.69x = 6,483,067,044.43
  5. Step 5: Solve for x
    x = 6,483,067,044.43/113,056.69
  6. Step 6: Final answer
    x = 57,343.51

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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.