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Finding the Fourth Proportional to 73,770.36, 101,801.78 and 43,146.42

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Solution

The fourth proportional to 73,770.36, 101,801.78 and 43,146.42 is: 59,541.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,770.36 : 101,801.78 = 43,146.42 : x
  2. Step 2: Convert to fraction form
    73,770.36/101,801.78 = 43,146.42/x
  3. Step 3: Cross multiply
    73,770.36x = 101,801.78 × 43,146.42
  4. Step 4: Simplify right side
    73,770.36x = 4,392,382,356.63
  5. Step 5: Solve for x
    x = 4,392,382,356.63/73,770.36
  6. Step 6: Final answer
    x = 59,541.29

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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.