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Finding the Fourth Proportional to 110,465.82, 152,453.43 and 68,049.18

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Solution

The fourth proportional to 110,465.82, 152,453.43 and 68,049.18 is: 93,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,465.82 : 152,453.43 = 68,049.18 : x
  2. Step 2: Convert to fraction form
    110,465.82/152,453.43 = 68,049.18/x
  3. Step 3: Cross multiply
    110,465.82x = 152,453.43 × 68,049.18
  4. Step 4: Simplify right side
    110,465.82x = 10,374,330,899.69
  5. Step 5: Solve for x
    x = 10,374,330,899.69/110,465.82
  6. Step 6: Final answer
    x = 93,914.40

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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.