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Finding the Fourth Proportional to 84,099.87, 116,052.55 and 48,264.66

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Solution

The fourth proportional to 84,099.87, 116,052.55 and 48,264.66 is: 66,602.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,099.87 : 116,052.55 = 48,264.66 : x
  2. Step 2: Convert to fraction form
    84,099.87/116,052.55 = 48,264.66/x
  3. Step 3: Cross multiply
    84,099.87x = 116,052.55 × 48,264.66
  4. Step 4: Simplify right side
    84,099.87x = 5,601,236,747.22
  5. Step 5: Solve for x
    x = 5,601,236,747.22/84,099.87
  6. Step 6: Final answer
    x = 66,602.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.