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Finding the Fourth Proportional to 107,480.40, 161,220.60 and 41,816.40

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Solution

The fourth proportional to 107,480.40, 161,220.60 and 41,816.40 is: 62,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,480.40 : 161,220.60 = 41,816.40 : x
  2. Step 2: Convert to fraction form
    107,480.40/161,220.60 = 41,816.40/x
  3. Step 3: Cross multiply
    107,480.40x = 161,220.60 × 41,816.40
  4. Step 4: Simplify right side
    107,480.40x = 6,741,665,097.84
  5. Step 5: Solve for x
    x = 6,741,665,097.84/107,480.40
  6. Step 6: Final answer
    x = 62,724.60

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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.