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Finding the Fourth Proportional to 98,622.75, 136,099.41 and 53,910.75

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Solution

The fourth proportional to 98,622.75, 136,099.41 and 53,910.75 is: 74,396.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,622.75 : 136,099.41 = 53,910.75 : x
  2. Step 2: Convert to fraction form
    98,622.75/136,099.41 = 53,910.75/x
  3. Step 3: Cross multiply
    98,622.75x = 136,099.41 × 53,910.75
  4. Step 4: Simplify right side
    98,622.75x = 7,337,221,267.66
  5. Step 5: Solve for x
    x = 7,337,221,267.66/98,622.75
  6. Step 6: Final answer
    x = 74,396.84

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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.