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Finding the Fourth Proportional to 159,243.94, 238,902.82 and 54,062.91

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Solution

The fourth proportional to 159,243.94, 238,902.82 and 54,062.91 is: 81,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,243.94 : 238,902.82 = 54,062.91 : x
  2. Step 2: Convert to fraction form
    159,243.94/238,902.82 = 54,062.91/x
  3. Step 3: Cross multiply
    159,243.94x = 238,902.82 × 54,062.91
  4. Step 4: Simplify right side
    159,243.94x = 12,915,781,656.41
  5. Step 5: Solve for x
    x = 12,915,781,656.41/159,243.94
  6. Step 6: Final answer
    x = 81,106.90

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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.