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Finding the Fourth Proportional to 89,173.71, 133,767.86 and 29,993.49

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Solution

The fourth proportional to 89,173.71, 133,767.86 and 29,993.49 is: 44,992.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,173.71 : 133,767.86 = 29,993.49 : x
  2. Step 2: Convert to fraction form
    89,173.71/133,767.86 = 29,993.49/x
  3. Step 3: Cross multiply
    89,173.71x = 133,767.86 × 29,993.49
  4. Step 4: Simplify right side
    89,173.71x = 4,012,164,821.26
  5. Step 5: Solve for x
    x = 4,012,164,821.26/89,173.71
  6. Step 6: Final answer
    x = 44,992.69

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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.