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Finding the Fourth Proportional to 293,686.56, 440,314.37 and 93,891.96

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Solution

The fourth proportional to 293,686.56, 440,314.37 and 93,891.96 is: 140,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,686.56 : 440,314.37 = 93,891.96 : x
  2. Step 2: Convert to fraction form
    293,686.56/440,314.37 = 93,891.96/x
  3. Step 3: Cross multiply
    293,686.56x = 440,314.37 × 93,891.96
  4. Step 4: Simplify right side
    293,686.56x = 41,341,978,746.01
  5. Step 5: Solve for x
    x = 41,341,978,746.01/293,686.56
  6. Step 6: Final answer
    x = 140,769.05

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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.