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Finding the Fourth Proportional to 88,416.75, 122,015.12 and 48,672.75

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Solution

The fourth proportional to 88,416.75, 122,015.12 and 48,672.75 is: 67,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,416.75 : 122,015.12 = 48,672.75 : x
  2. Step 2: Convert to fraction form
    88,416.75/122,015.12 = 48,672.75/x
  3. Step 3: Cross multiply
    88,416.75x = 122,015.12 × 48,672.75
  4. Step 4: Simplify right side
    88,416.75x = 5,938,811,431.98
  5. Step 5: Solve for x
    x = 5,938,811,431.98/88,416.75
  6. Step 6: Final answer
    x = 67,168.40

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Double scale
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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.