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Finding the Fourth Proportional to 88,899.70, 122,644.62 and 58,264.42

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Solution

The fourth proportional to 88,899.70, 122,644.62 and 58,264.42 is: 80,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,899.70 : 122,644.62 = 58,264.42 : x
  2. Step 2: Convert to fraction form
    88,899.70/122,644.62 = 58,264.42/x
  3. Step 3: Cross multiply
    88,899.70x = 122,644.62 × 58,264.42
  4. Step 4: Simplify right side
    88,899.70x = 7,145,817,650.42
  5. Step 5: Solve for x
    x = 7,145,817,650.42/88,899.70
  6. Step 6: Final answer
    x = 80,380.67

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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.