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Finding the Fourth Proportional to 70,794.19, 97,661.86 and 43,967.90

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Solution

The fourth proportional to 70,794.19, 97,661.86 and 43,967.90 is: 60,654.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,794.19 : 97,661.86 = 43,967.90 : x
  2. Step 2: Convert to fraction form
    70,794.19/97,661.86 = 43,967.90/x
  3. Step 3: Cross multiply
    70,794.19x = 97,661.86 × 43,967.90
  4. Step 4: Simplify right side
    70,794.19x = 4,293,986,894.29
  5. Step 5: Solve for x
    x = 4,293,986,894.29/70,794.19
  6. Step 6: Final answer
    x = 60,654.51

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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.