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Finding the Fourth Proportional to 185,499.19, 256,027.13 and 104,930.11

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Solution

The fourth proportional to 185,499.19, 256,027.13 and 104,930.11 is: 144,825.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,499.19 : 256,027.13 = 104,930.11 : x
  2. Step 2: Convert to fraction form
    185,499.19/256,027.13 = 104,930.11/x
  3. Step 3: Cross multiply
    185,499.19x = 256,027.13 × 104,930.11
  4. Step 4: Simplify right side
    185,499.19x = 26,864,954,913.88
  5. Step 5: Solve for x
    x = 26,864,954,913.88/185,499.19
  6. Step 6: Final answer
    x = 144,825.19

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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.