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Finding the Fourth Proportional to 89,612.73, 134,419.50 and 36,305.73

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Solution

The fourth proportional to 89,612.73, 134,419.50 and 36,305.73 is: 54,458.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,612.73 : 134,419.50 = 36,305.73 : x
  2. Step 2: Convert to fraction form
    89,612.73/134,419.50 = 36,305.73/x
  3. Step 3: Cross multiply
    89,612.73x = 134,419.50 × 36,305.73
  4. Step 4: Simplify right side
    89,612.73x = 4,880,198,073.74
  5. Step 5: Solve for x
    x = 4,880,198,073.74/89,612.73
  6. Step 6: Final answer
    x = 54,458.76

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Half scale
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Double scale
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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.