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Finding the Fourth Proportional to 91,930.60, 137,895.90 and 29,601.10

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Solution

The fourth proportional to 91,930.60, 137,895.90 and 29,601.10 is: 44,401.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,930.60 : 137,895.90 = 29,601.10 : x
  2. Step 2: Convert to fraction form
    91,930.60/137,895.90 = 29,601.10/x
  3. Step 3: Cross multiply
    91,930.60x = 137,895.90 × 29,601.10
  4. Step 4: Simplify right side
    91,930.60x = 4,081,870,325.49
  5. Step 5: Solve for x
    x = 4,081,870,325.49/91,930.60
  6. Step 6: Final answer
    x = 44,401.65

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Similar ratio
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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.