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Finding the Fourth Proportional to 158,873.67, 238,408.92 and 92,345.13

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Solution

The fourth proportional to 158,873.67, 238,408.92 and 92,345.13 is: 138,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,873.67 : 238,408.92 = 92,345.13 : x
  2. Step 2: Convert to fraction form
    158,873.67/238,408.92 = 92,345.13/x
  3. Step 3: Cross multiply
    158,873.67x = 238,408.92 × 92,345.13
  4. Step 4: Simplify right side
    158,873.67x = 22,015,902,710.56
  5. Step 5: Solve for x
    x = 22,015,902,710.56/158,873.67
  6. Step 6: Final answer
    x = 138,574.90

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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.