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Finding the Fourth Proportional to 220,938.44, 304,903.85 and 125,454.02

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Solution

The fourth proportional to 220,938.44, 304,903.85 and 125,454.02 is: 173,131.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,938.44 : 304,903.85 = 125,454.02 : x
  2. Step 2: Convert to fraction form
    220,938.44/304,903.85 = 125,454.02/x
  3. Step 3: Cross multiply
    220,938.44x = 304,903.85 × 125,454.02
  4. Step 4: Simplify right side
    220,938.44x = 38,251,411,544.19
  5. Step 5: Solve for x
    x = 38,251,411,544.19/220,938.44
  6. Step 6: Final answer
    x = 173,131.54

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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.