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Finding the Fourth Proportional to 159,127.96, 238,524.54 and 121,606.60

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Solution

The fourth proportional to 159,127.96, 238,524.54 and 121,606.60 is: 182,281.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,127.96 : 238,524.54 = 121,606.60 : x
  2. Step 2: Convert to fraction form
    159,127.96/238,524.54 = 121,606.60/x
  3. Step 3: Cross multiply
    159,127.96x = 238,524.54 × 121,606.60
  4. Step 4: Simplify right side
    159,127.96x = 29,006,158,325.96
  5. Step 5: Solve for x
    x = 29,006,158,325.96/159,127.96
  6. Step 6: Final answer
    x = 182,281.97

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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.