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Finding the Fourth Proportional to 70,904.97, 97,735.82 and 69,505.29

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Solution

The fourth proportional to 70,904.97, 97,735.82 and 69,505.29 is: 95,806.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,904.97 : 97,735.82 = 69,505.29 : x
  2. Step 2: Convert to fraction form
    70,904.97/97,735.82 = 69,505.29/x
  3. Step 3: Cross multiply
    70,904.97x = 97,735.82 × 69,505.29
  4. Step 4: Simplify right side
    70,904.97x = 6,793,156,164.96
  5. Step 5: Solve for x
    x = 6,793,156,164.96/70,904.97
  6. Step 6: Final answer
    x = 95,806.49

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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.