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Finding the Fourth Proportional to 89,299.44, 133,949.18 and 69,592.76

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Solution

The fourth proportional to 89,299.44, 133,949.18 and 69,592.76 is: 104,389.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,299.44 : 133,949.18 = 69,592.76 : x
  2. Step 2: Convert to fraction form
    89,299.44/133,949.18 = 69,592.76/x
  3. Step 3: Cross multiply
    89,299.44x = 133,949.18 × 69,592.76
  4. Step 4: Simplify right side
    89,299.44x = 9,321,893,135.94
  5. Step 5: Solve for x
    x = 9,321,893,135.94/89,299.44
  6. Step 6: Final answer
    x = 104,389.16

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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.