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Finding the Fourth Proportional to 293,659.76, 440,518.72 and 93,930

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Solution

The fourth proportional to 293,659.76, 440,518.72 and 93,930 is: 140,904.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,659.76 : 440,518.72 = 93,930 : x
  2. Step 2: Convert to fraction form
    293,659.76/440,518.72 = 93,930/x
  3. Step 3: Cross multiply
    293,659.76x = 440,518.72 × 93,930
  4. Step 4: Simplify right side
    293,659.76x = 41,377,923,369.60
  5. Step 5: Solve for x
    x = 41,377,923,369.60/293,659.76
  6. Step 6: Final answer
    x = 140,904.30

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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.