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Finding the Fourth Proportional to 73,631.95, 101,610.62 and 43,418.54

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Solution

The fourth proportional to 73,631.95, 101,610.62 and 43,418.54 is: 59,916.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,631.95 : 101,610.62 = 43,418.54 : x
  2. Step 2: Convert to fraction form
    73,631.95/101,610.62 = 43,418.54/x
  3. Step 3: Cross multiply
    73,631.95x = 101,610.62 × 43,418.54
  4. Step 4: Simplify right side
    73,631.95x = 4,411,785,131.47
  5. Step 5: Solve for x
    x = 4,411,785,131.47/73,631.95
  6. Step 6: Final answer
    x = 59,916.72

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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.