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Finding the Fourth Proportional to 232,099.75, 348,305.15 and 84,355.75

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Solution

The fourth proportional to 232,099.75, 348,305.15 and 84,355.75 is: 126,590.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,099.75 : 348,305.15 = 84,355.75 : x
  2. Step 2: Convert to fraction form
    232,099.75/348,305.15 = 84,355.75/x
  3. Step 3: Cross multiply
    232,099.75x = 348,305.15 × 84,355.75
  4. Step 4: Simplify right side
    232,099.75x = 29,381,542,157.11
  5. Step 5: Solve for x
    x = 29,381,542,157.11/232,099.75
  6. Step 6: Final answer
    x = 126,590.15

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1.5x scale

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.