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Finding the Fourth Proportional to 159,237.16, 238,631.09 and 124,020.52

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Solution

The fourth proportional to 159,237.16, 238,631.09 and 124,020.52 is: 185,855.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,237.16 : 238,631.09 = 124,020.52 : x
  2. Step 2: Convert to fraction form
    159,237.16/238,631.09 = 124,020.52/x
  3. Step 3: Cross multiply
    159,237.16x = 238,631.09 × 124,020.52
  4. Step 4: Simplify right side
    159,237.16x = 29,595,150,676.81
  5. Step 5: Solve for x
    x = 29,595,150,676.81/159,237.16
  6. Step 6: Final answer
    x = 185,855.81

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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.