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Finding the Fourth Proportional to 293,661.60, 440,060.04 and 131,358.84

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Solution

The fourth proportional to 293,661.60, 440,060.04 and 131,358.84 is: 196,844.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,661.60 : 440,060.04 = 131,358.84 : x
  2. Step 2: Convert to fraction form
    293,661.60/440,060.04 = 131,358.84/x
  3. Step 3: Cross multiply
    293,661.60x = 440,060.04 × 131,358.84
  4. Step 4: Simplify right side
    293,661.60x = 57,805,776,384.75
  5. Step 5: Solve for x
    x = 57,805,776,384.75/293,661.60
  6. Step 6: Final answer
    x = 196,844.86

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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.