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Finding the Fourth Proportional to 69,679.88, 96,156.64 and 37,848.08

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Solution

The fourth proportional to 69,679.88, 96,156.64 and 37,848.08 is: 52,229.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,679.88 : 96,156.64 = 37,848.08 : x
  2. Step 2: Convert to fraction form
    69,679.88/96,156.64 = 37,848.08/x
  3. Step 3: Cross multiply
    69,679.88x = 96,156.64 × 37,848.08
  4. Step 4: Simplify right side
    69,679.88x = 3,639,344,203.25
  5. Step 5: Solve for x
    x = 3,639,344,203.25/69,679.88
  6. Step 6: Final answer
    x = 52,229.48

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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.