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Finding the Fourth Proportional to 70,911.18, 97,882.49 and 63,344.37

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Solution

The fourth proportional to 70,911.18, 97,882.49 and 63,344.37 is: 87,437.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,911.18 : 97,882.49 = 63,344.37 : x
  2. Step 2: Convert to fraction form
    70,911.18/97,882.49 = 63,344.37/x
  3. Step 3: Cross multiply
    70,911.18x = 97,882.49 × 63,344.37
  4. Step 4: Simplify right side
    70,911.18x = 6,200,303,856.95
  5. Step 5: Solve for x
    x = 6,200,303,856.95/70,911.18
  6. Step 6: Final answer
    x = 87,437.61

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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.