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Finding the Fourth Proportional to 220,046.90, 303,671.94 and 124,551.54

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Solution

The fourth proportional to 220,046.90, 303,671.94 and 124,551.54 is: 171,885.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,046.90 : 303,671.94 = 124,551.54 : x
  2. Step 2: Convert to fraction form
    220,046.90/303,671.94 = 124,551.54/x
  3. Step 3: Cross multiply
    220,046.90x = 303,671.94 × 124,551.54
  4. Step 4: Simplify right side
    220,046.90x = 37,822,807,314.72
  5. Step 5: Solve for x
    x = 37,822,807,314.72/220,046.90
  6. Step 6: Final answer
    x = 171,885.21

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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.