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Finding the Fourth Proportional to 159,071.60, 238,601.93 and 40,743.96

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Solution

The fourth proportional to 159,071.60, 238,601.93 and 40,743.96 is: 61,114.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,071.60 : 238,601.93 = 40,743.96 : x
  2. Step 2: Convert to fraction form
    159,071.60/238,601.93 = 40,743.96/x
  3. Step 3: Cross multiply
    159,071.60x = 238,601.93 × 40,743.96
  4. Step 4: Simplify right side
    159,071.60x = 9,721,587,288.12
  5. Step 5: Solve for x
    x = 9,721,587,288.12/159,071.60
  6. Step 6: Final answer
    x = 61,114.54

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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.