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Finding the Fourth Proportional to 185,908.84, 256,555.82 and 101,025.90

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Solution

The fourth proportional to 185,908.84, 256,555.82 and 101,025.90 is: 139,416.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,908.84 : 256,555.82 = 101,025.90 : x
  2. Step 2: Convert to fraction form
    185,908.84/256,555.82 = 101,025.90/x
  3. Step 3: Cross multiply
    185,908.84x = 256,555.82 × 101,025.90
  4. Step 4: Simplify right side
    185,908.84x = 25,918,782,868.30
  5. Step 5: Solve for x
    x = 25,918,782,868.30/185,908.84
  6. Step 6: Final answer
    x = 139,416.63

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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.