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Finding the Fourth Proportional to 158,679.93, 238,025.58 and 53,499.81

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Solution

The fourth proportional to 158,679.93, 238,025.58 and 53,499.81 is: 80,251.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,679.93 : 238,025.58 = 53,499.81 : x
  2. Step 2: Convert to fraction form
    158,679.93/238,025.58 = 53,499.81/x
  3. Step 3: Cross multiply
    158,679.93x = 238,025.58 × 53,499.81
  4. Step 4: Simplify right side
    158,679.93x = 12,734,323,305.14
  5. Step 5: Solve for x
    x = 12,734,323,305.14/158,679.93
  6. Step 6: Final answer
    x = 80,251.63

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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.