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Finding the Fourth Proportional to 243,940.80, 365,320.64 and 168,850.56

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Solution

The fourth proportional to 243,940.80, 365,320.64 and 168,850.56 is: 252,867.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,940.80 : 365,320.64 = 168,850.56 : x
  2. Step 2: Convert to fraction form
    243,940.80/365,320.64 = 168,850.56/x
  3. Step 3: Cross multiply
    243,940.80x = 365,320.64 × 168,850.56
  4. Step 4: Simplify right side
    243,940.80x = 61,684,594,643.56
  5. Step 5: Solve for x
    x = 61,684,594,643.56/243,940.80
  6. Step 6: Final answer
    x = 252,867.07

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1.5x scale

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.