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Finding the Fourth Proportional to 70,497.54, 97,304.90 and 43,624.78

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Solution

The fourth proportional to 70,497.54, 97,304.90 and 43,624.78 is: 60,213.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,497.54 : 97,304.90 = 43,624.78 : x
  2. Step 2: Convert to fraction form
    70,497.54/97,304.90 = 43,624.78/x
  3. Step 3: Cross multiply
    70,497.54x = 97,304.90 × 43,624.78
  4. Step 4: Simplify right side
    70,497.54x = 4,244,904,394.04
  5. Step 5: Solve for x
    x = 4,244,904,394.04/70,497.54
  6. Step 6: Final answer
    x = 60,213.51

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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.