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Finding the Fourth Proportional to 220,551.66, 304,361.28 and 125,058.33

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Solution

The fourth proportional to 220,551.66, 304,361.28 and 125,058.33 is: 172,580.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,551.66 : 304,361.28 = 125,058.33 : x
  2. Step 2: Convert to fraction form
    220,551.66/304,361.28 = 125,058.33/x
  3. Step 3: Cross multiply
    220,551.66x = 304,361.28 × 125,058.33
  4. Step 4: Simplify right side
    220,551.66x = 38,062,913,393.46
  5. Step 5: Solve for x
    x = 38,062,913,393.46/220,551.66
  6. Step 6: Final answer
    x = 172,580.49

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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.