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Finding the Fourth Proportional to 204,671.90, 307,077.56 and 124,869.63

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Solution

The fourth proportional to 204,671.90, 307,077.56 and 124,869.63 is: 187,346.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,671.90 : 307,077.56 = 124,869.63 : x
  2. Step 2: Convert to fraction form
    204,671.90/307,077.56 = 124,869.63/x
  3. Step 3: Cross multiply
    204,671.90x = 307,077.56 × 124,869.63
  4. Step 4: Simplify right side
    204,671.90x = 38,344,660,674.15
  5. Step 5: Solve for x
    x = 38,344,660,674.15/204,671.90
  6. Step 6: Final answer
    x = 187,346.98

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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.