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Finding the Fourth Proportional to 203,144.47, 304,833.39 and 158,646.31

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Solution

The fourth proportional to 203,144.47, 304,833.39 and 158,646.31 is: 238,060.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,144.47 : 304,833.39 = 158,646.31 : x
  2. Step 2: Convert to fraction form
    203,144.47/304,833.39 = 158,646.31/x
  3. Step 3: Cross multiply
    203,144.47x = 304,833.39 × 158,646.31
  4. Step 4: Simplify right side
    203,144.47x = 48,360,692,488.29
  5. Step 5: Solve for x
    x = 48,360,692,488.29/203,144.47
  6. Step 6: Final answer
    x = 238,060.59

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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.