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Finding the Fourth Proportional to 240,617.88, 360,688.74 and 114,035.64

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Solution

The fourth proportional to 240,617.88, 360,688.74 and 114,035.64 is: 170,940.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,617.88 : 360,688.74 = 114,035.64 : x
  2. Step 2: Convert to fraction form
    240,617.88/360,688.74 = 114,035.64/x
  3. Step 3: Cross multiply
    240,617.88x = 360,688.74 × 114,035.64
  4. Step 4: Simplify right side
    240,617.88x = 41,131,371,306.69
  5. Step 5: Solve for x
    x = 41,131,371,306.69/240,617.88
  6. Step 6: Final answer
    x = 170,940.63

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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.