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Finding the Fourth Proportional to 67,976.93, 101,801.31 and 40,881.35

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Solution

The fourth proportional to 67,976.93, 101,801.31 and 40,881.35 is: 61,223.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,976.93 : 101,801.31 = 40,881.35 : x
  2. Step 2: Convert to fraction form
    67,976.93/101,801.31 = 40,881.35/x
  3. Step 3: Cross multiply
    67,976.93x = 101,801.31 × 40,881.35
  4. Step 4: Simplify right side
    67,976.93x = 4,161,774,475.56
  5. Step 5: Solve for x
    x = 4,161,774,475.56/67,976.93
  6. Step 6: Final answer
    x = 61,223.34

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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.