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Finding the Fourth Proportional to 70,963.48, 97,876.92 and 48,295.36

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Solution

The fourth proportional to 70,963.48, 97,876.92 and 48,295.36 is: 66,611.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,963.48 : 97,876.92 = 48,295.36 : x
  2. Step 2: Convert to fraction form
    70,963.48/97,876.92 = 48,295.36/x
  3. Step 3: Cross multiply
    70,963.48x = 97,876.92 × 48,295.36
  4. Step 4: Simplify right side
    70,963.48x = 4,727,001,087.09
  5. Step 5: Solve for x
    x = 4,727,001,087.09/70,963.48
  6. Step 6: Final answer
    x = 66,611.74

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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.