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Finding the Fourth Proportional to 70,494.62, 97,206.57 and 53,529.98

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Solution

The fourth proportional to 70,494.62, 97,206.57 and 53,529.98 is: 73,813.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,494.62 : 97,206.57 = 53,529.98 : x
  2. Step 2: Convert to fraction form
    70,494.62/97,206.57 = 53,529.98/x
  3. Step 3: Cross multiply
    70,494.62x = 97,206.57 × 53,529.98
  4. Step 4: Simplify right side
    70,494.62x = 5,203,465,747.97
  5. Step 5: Solve for x
    x = 5,203,465,747.97/70,494.62
  6. Step 6: Final answer
    x = 73,813.66

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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.