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Finding the Fourth Proportional to 89,299.40, 133,762.80 and 41,954.90

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Solution

The fourth proportional to 89,299.40, 133,762.80 and 41,954.90 is: 62,844.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,299.40 : 133,762.80 = 41,954.90 : x
  2. Step 2: Convert to fraction form
    89,299.40/133,762.80 = 41,954.90/x
  3. Step 3: Cross multiply
    89,299.40x = 133,762.80 × 41,954.90
  4. Step 4: Simplify right side
    89,299.40x = 5,612,004,897.72
  5. Step 5: Solve for x
    x = 5,612,004,897.72/89,299.40
  6. Step 6: Final answer
    x = 62,844.82

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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.