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Finding the Fourth Proportional to 97,679.70, 146,568.15 and 55,592.10

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Solution

The fourth proportional to 97,679.70, 146,568.15 and 55,592.10 is: 83,415.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,679.70 : 146,568.15 = 55,592.10 : x
  2. Step 2: Convert to fraction form
    97,679.70/146,568.15 = 55,592.10/x
  3. Step 3: Cross multiply
    97,679.70x = 146,568.15 × 55,592.10
  4. Step 4: Simplify right side
    97,679.70x = 8,148,031,251.62
  5. Step 5: Solve for x
    x = 8,148,031,251.62/97,679.70
  6. Step 6: Final answer
    x = 83,415.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.