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Finding the Fourth Proportional to 159,285.56, 238,930.22 and 40,953.74

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Solution

The fourth proportional to 159,285.56, 238,930.22 and 40,953.74 is: 61,431.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,285.56 : 238,930.22 = 40,953.74 : x
  2. Step 2: Convert to fraction form
    159,285.56/238,930.22 = 40,953.74/x
  3. Step 3: Cross multiply
    159,285.56x = 238,930.22 × 40,953.74
  4. Step 4: Simplify right side
    159,285.56x = 9,785,085,015.76
  5. Step 5: Solve for x
    x = 9,785,085,015.76/159,285.56
  6. Step 6: Final answer
    x = 61,431.09

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1.5x scale

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.