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Finding the Fourth Proportional to 159,240.69, 238,861.22 and 40,913.01

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Solution

The fourth proportional to 159,240.69, 238,861.22 and 40,913.01 is: 61,369.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,240.69 : 238,861.22 = 40,913.01 : x
  2. Step 2: Convert to fraction form
    159,240.69/238,861.22 = 40,913.01/x
  3. Step 3: Cross multiply
    159,240.69x = 238,861.22 × 40,913.01
  4. Step 4: Simplify right side
    159,240.69x = 9,772,531,277.91
  5. Step 5: Solve for x
    x = 9,772,531,277.91/159,240.69
  6. Step 6: Final answer
    x = 61,369.56

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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.