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Finding the Fourth Proportional to 247,036.88, 340,912.08 and 133,859.84

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Solution

The fourth proportional to 247,036.88, 340,912.08 and 133,859.84 is: 184,727.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,036.88 : 340,912.08 = 133,859.84 : x
  2. Step 2: Convert to fraction form
    247,036.88/340,912.08 = 133,859.84/x
  3. Step 3: Cross multiply
    247,036.88x = 340,912.08 × 133,859.84
  4. Step 4: Simplify right side
    247,036.88x = 45,634,436,482.87
  5. Step 5: Solve for x
    x = 45,634,436,482.87/247,036.88
  6. Step 6: Final answer
    x = 184,727.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.