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Finding the Fourth Proportional to 110,850.21, 152,956.49 and 62,445.21

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Solution

The fourth proportional to 110,850.21, 152,956.49 and 62,445.21 is: 86,164.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,850.21 : 152,956.49 = 62,445.21 : x
  2. Step 2: Convert to fraction form
    110,850.21/152,956.49 = 62,445.21/x
  3. Step 3: Cross multiply
    110,850.21x = 152,956.49 × 62,445.21
  4. Step 4: Simplify right side
    110,850.21x = 9,551,399,826.69
  5. Step 5: Solve for x
    x = 9,551,399,826.69/110,850.21
  6. Step 6: Final answer
    x = 86,164.92

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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.