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Finding the Fourth Proportional to 293,993.95, 440,989.26 and 107,005.45

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Solution

The fourth proportional to 293,993.95, 440,989.26 and 107,005.45 is: 160,507.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,993.95 : 440,989.26 = 107,005.45 : x
  2. Step 2: Convert to fraction form
    293,993.95/440,989.26 = 107,005.45/x
  3. Step 3: Cross multiply
    293,993.95x = 440,989.26 × 107,005.45
  4. Step 4: Simplify right side
    293,993.95x = 47,188,254,211.47
  5. Step 5: Solve for x
    x = 47,188,254,211.47/293,993.95
  6. Step 6: Final answer
    x = 160,507.57

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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.