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Finding the Fourth Proportional to 185,398.11, 255,862.50 and 104,826.42

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Solution

The fourth proportional to 185,398.11, 255,862.50 and 104,826.42 is: 144,667.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,398.11 : 255,862.50 = 104,826.42 : x
  2. Step 2: Convert to fraction form
    185,398.11/255,862.50 = 104,826.42/x
  3. Step 3: Cross multiply
    185,398.11x = 255,862.50 × 104,826.42
  4. Step 4: Simplify right side
    185,398.11x = 26,821,149,887.25
  5. Step 5: Solve for x
    x = 26,821,149,887.25/185,398.11
  6. Step 6: Final answer
    x = 144,667.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.