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Finding the Fourth Proportional to 173,859.60, 239,910.12 and 98,408.10

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Solution

The fourth proportional to 173,859.60, 239,910.12 and 98,408.10 is: 135,794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,859.60 : 239,910.12 = 98,408.10 : x
  2. Step 2: Convert to fraction form
    173,859.60/239,910.12 = 98,408.10/x
  3. Step 3: Cross multiply
    173,859.60x = 239,910.12 × 98,408.10
  4. Step 4: Simplify right side
    173,859.60x = 23,609,099,079.97
  5. Step 5: Solve for x
    x = 23,609,099,079.97/173,859.60
  6. Step 6: Final answer
    x = 135,794.05

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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.