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Finding the Fourth Proportional to 159,226.36, 238,839.54 and 40,897.81

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Solution

The fourth proportional to 159,226.36, 238,839.54 and 40,897.81 is: 61,346.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,226.36 : 238,839.54 = 40,897.81 : x
  2. Step 2: Convert to fraction form
    159,226.36/238,839.54 = 40,897.81/x
  3. Step 3: Cross multiply
    159,226.36x = 238,839.54 × 40,897.81
  4. Step 4: Simplify right side
    159,226.36x = 9,768,014,272.59
  5. Step 5: Solve for x
    x = 9,768,014,272.59/159,226.36
  6. Step 6: Final answer
    x = 61,346.72

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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.