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Finding the Fourth Proportional to 89,892.64, 134,803.93 and 33,702.11

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Solution

The fourth proportional to 89,892.64, 134,803.93 and 33,702.11 is: 50,540.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,892.64 : 134,803.93 = 33,702.11 : x
  2. Step 2: Convert to fraction form
    89,892.64/134,803.93 = 33,702.11/x
  3. Step 3: Cross multiply
    89,892.64x = 134,803.93 × 33,702.11
  4. Step 4: Simplify right side
    89,892.64x = 4,543,176,687.72
  5. Step 5: Solve for x
    x = 4,543,176,687.72/89,892.64
  6. Step 6: Final answer
    x = 50,540.03

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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.