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Finding the Fourth Proportional to 220,935.66, 304,893.35 and 125,444.49

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Solution

The fourth proportional to 220,935.66, 304,893.35 and 125,444.49 is: 173,114.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,935.66 : 304,893.35 = 125,444.49 : x
  2. Step 2: Convert to fraction form
    220,935.66/304,893.35 = 125,444.49/x
  3. Step 3: Cross multiply
    220,935.66x = 304,893.35 × 125,444.49
  4. Step 4: Simplify right side
    220,935.66x = 38,247,190,795.14
  5. Step 5: Solve for x
    x = 38,247,190,795.14/220,935.66
  6. Step 6: Final answer
    x = 173,114.61

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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.