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Finding the Fourth Proportional to 70,463.48, 97,076.22 and 49,209.08

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Solution

The fourth proportional to 70,463.48, 97,076.22 and 49,209.08 is: 67,794.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,463.48 : 97,076.22 = 49,209.08 : x
  2. Step 2: Convert to fraction form
    70,463.48/97,076.22 = 49,209.08/x
  3. Step 3: Cross multiply
    70,463.48x = 97,076.22 × 49,209.08
  4. Step 4: Simplify right side
    70,463.48x = 4,777,031,476.08
  5. Step 5: Solve for x
    x = 4,777,031,476.08/70,463.48
  6. Step 6: Final answer
    x = 67,794.43

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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.