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Finding the Fourth Proportional to 74,615.31, 111,935.12 and 22,030.11

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Solution

The fourth proportional to 74,615.31, 111,935.12 and 22,030.11 is: 33,048.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,615.31 : 111,935.12 = 22,030.11 : x
  2. Step 2: Convert to fraction form
    74,615.31/111,935.12 = 22,030.11/x
  3. Step 3: Cross multiply
    74,615.31x = 111,935.12 × 22,030.11
  4. Step 4: Simplify right side
    74,615.31x = 2,465,942,896.31
  5. Step 5: Solve for x
    x = 2,465,942,896.31/74,615.31
  6. Step 6: Final answer
    x = 33,048.75

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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.