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Finding the Fourth Proportional to 254,462.23, 381,824.57 and 104,813.11

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Solution

The fourth proportional to 254,462.23, 381,824.57 and 104,813.11 is: 157,273.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,462.23 : 381,824.57 = 104,813.11 : x
  2. Step 2: Convert to fraction form
    254,462.23/381,824.57 = 104,813.11/x
  3. Step 3: Cross multiply
    254,462.23x = 381,824.57 × 104,813.11
  4. Step 4: Simplify right side
    254,462.23x = 40,020,220,656.11
  5. Step 5: Solve for x
    x = 40,020,220,656.11/254,462.23
  6. Step 6: Final answer
    x = 157,273.72

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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.