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Finding the Fourth Proportional to 195,458.94, 293,188.41 and 55,221.21

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Solution

The fourth proportional to 195,458.94, 293,188.41 and 55,221.21 is: 82,831.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,458.94 : 293,188.41 = 55,221.21 : x
  2. Step 2: Convert to fraction form
    195,458.94/293,188.41 = 55,221.21/x
  3. Step 3: Cross multiply
    195,458.94x = 293,188.41 × 55,221.21
  4. Step 4: Simplify right side
    195,458.94x = 16,190,218,482.07
  5. Step 5: Solve for x
    x = 16,190,218,482.07/195,458.94
  6. Step 6: Final answer
    x = 82,831.81

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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.