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Finding the Fourth Proportional to 115,596.40, 173,358.60 and 45,497.20

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Solution

The fourth proportional to 115,596.40, 173,358.60 and 45,497.20 is: 68,231.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,596.40 : 173,358.60 = 45,497.20 : x
  2. Step 2: Convert to fraction form
    115,596.40/173,358.60 = 45,497.20/x
  3. Step 3: Cross multiply
    115,596.40x = 173,358.60 × 45,497.20
  4. Step 4: Simplify right side
    115,596.40x = 7,887,330,895.92
  5. Step 5: Solve for x
    x = 7,887,330,895.92/115,596.40
  6. Step 6: Final answer
    x = 68,231.63

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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.