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Finding the Fourth Proportional to 70,463.62, 97,163.85 and 53,498.98

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Solution

The fourth proportional to 70,463.62, 97,163.85 and 53,498.98 is: 73,770.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,463.62 : 97,163.85 = 53,498.98 : x
  2. Step 2: Convert to fraction form
    70,463.62/97,163.85 = 53,498.98/x
  3. Step 3: Cross multiply
    70,463.62x = 97,163.85 × 53,498.98
  4. Step 4: Simplify right side
    70,463.62x = 5,198,166,867.87
  5. Step 5: Solve for x
    x = 5,198,166,867.87/70,463.62
  6. Step 6: Final answer
    x = 73,770.93

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1.5x scale

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.