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Finding the Fourth Proportional to 70,161.39, 105,277.27 and 32,724.41

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Solution

The fourth proportional to 70,161.39, 105,277.27 and 32,724.41 is: 49,103.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,161.39 : 105,277.27 = 32,724.41 : x
  2. Step 2: Convert to fraction form
    70,161.39/105,277.27 = 32,724.41/x
  3. Step 3: Cross multiply
    70,161.39x = 105,277.27 × 32,724.41
  4. Step 4: Simplify right side
    70,161.39x = 3,445,136,000.32
  5. Step 5: Solve for x
    x = 3,445,136,000.32/70,161.39
  6. Step 6: Final answer
    x = 49,103.02

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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.