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Finding the Fourth Proportional to 67,393.34, 101,090.01 and 31,858.23

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Solution

The fourth proportional to 67,393.34, 101,090.01 and 31,858.23 is: 47,787.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,393.34 : 101,090.01 = 31,858.23 : x
  2. Step 2: Convert to fraction form
    67,393.34/101,090.01 = 31,858.23/x
  3. Step 3: Cross multiply
    67,393.34x = 101,090.01 × 31,858.23
  4. Step 4: Simplify right side
    67,393.34x = 3,220,548,789.28
  5. Step 5: Solve for x
    x = 3,220,548,789.28/67,393.34
  6. Step 6: Final answer
    x = 47,787.35

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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.