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Finding the Fourth Proportional to 159,632.82, 239,287.53 and 103,508.54

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Solution

The fourth proportional to 159,632.82, 239,287.53 and 103,508.54 is: 155,157.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,632.82 : 239,287.53 = 103,508.54 : x
  2. Step 2: Convert to fraction form
    159,632.82/239,287.53 = 103,508.54/x
  3. Step 3: Cross multiply
    159,632.82x = 239,287.53 × 103,508.54
  4. Step 4: Simplify right side
    159,632.82x = 24,768,301,674.07
  5. Step 5: Solve for x
    x = 24,768,301,674.07/159,632.82
  6. Step 6: Final answer
    x = 155,157.95

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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.