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Finding the Fourth Proportional to 139,099.22, 191,924.77 and 93,861.12

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Solution

The fourth proportional to 139,099.22, 191,924.77 and 93,861.12 is: 129,506.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,099.22 : 191,924.77 = 93,861.12 : x
  2. Step 2: Convert to fraction form
    139,099.22/191,924.77 = 93,861.12/x
  3. Step 3: Cross multiply
    139,099.22x = 191,924.77 × 93,861.12
  4. Step 4: Simplify right side
    139,099.22x = 18,014,273,867.94
  5. Step 5: Solve for x
    x = 18,014,273,867.94/139,099.22
  6. Step 6: Final answer
    x = 129,506.65

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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.