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Finding the Fourth Proportional to 159,212.42, 238,821.04 and 40,881.14

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Solution

The fourth proportional to 159,212.42, 238,821.04 and 40,881.14 is: 61,322.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,212.42 : 238,821.04 = 40,881.14 : x
  2. Step 2: Convert to fraction form
    159,212.42/238,821.04 = 40,881.14/x
  3. Step 3: Cross multiply
    159,212.42x = 238,821.04 × 40,881.14
  4. Step 4: Simplify right side
    159,212.42x = 9,763,276,371.19
  5. Step 5: Solve for x
    x = 9,763,276,371.19/159,212.42
  6. Step 6: Final answer
    x = 61,322.33

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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.