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Finding the Fourth Proportional to 185,296.42, 255,797.22 and 124,147.90

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Solution

The fourth proportional to 185,296.42, 255,797.22 and 124,147.90 is: 171,383.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,296.42 : 255,797.22 = 124,147.90 : x
  2. Step 2: Convert to fraction form
    185,296.42/255,797.22 = 124,147.90/x
  3. Step 3: Cross multiply
    185,296.42x = 255,797.22 × 124,147.90
  4. Step 4: Simplify right side
    185,296.42x = 31,756,687,688.84
  5. Step 5: Solve for x
    x = 31,756,687,688.84/185,296.42
  6. Step 6: Final answer
    x = 171,383.17

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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.