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Finding the Fourth Proportional to 113,212.80, 169,835.40 and 34,333.20

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Solution

The fourth proportional to 113,212.80, 169,835.40 and 34,333.20 is: 51,504.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,212.80 : 169,835.40 = 34,333.20 : x
  2. Step 2: Convert to fraction form
    113,212.80/169,835.40 = 34,333.20/x
  3. Step 3: Cross multiply
    113,212.80x = 169,835.40 × 34,333.20
  4. Step 4: Simplify right side
    113,212.80x = 5,830,992,755.28
  5. Step 5: Solve for x
    x = 5,830,992,755.28/113,212.80
  6. Step 6: Final answer
    x = 51,504.71

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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.