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Finding the Fourth Proportional to 115,464.60, 173,222.10 and 65,568.60

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Solution

The fourth proportional to 115,464.60, 173,222.10 and 65,568.60 is: 98,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,464.60 : 173,222.10 = 65,568.60 : x
  2. Step 2: Convert to fraction form
    115,464.60/173,222.10 = 65,568.60/x
  3. Step 3: Cross multiply
    115,464.60x = 173,222.10 × 65,568.60
  4. Step 4: Simplify right side
    115,464.60x = 11,357,930,586.06
  5. Step 5: Solve for x
    x = 11,357,930,586.06/115,464.60
  6. Step 6: Final answer
    x = 98,367.21

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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.