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Finding the Fourth Proportional to 159,083.20, 238,624.80 and 133,033.60

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Solution

The fourth proportional to 159,083.20, 238,624.80 and 133,033.60 is: 199,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,083.20 : 238,624.80 = 133,033.60 : x
  2. Step 2: Convert to fraction form
    159,083.20/238,624.80 = 133,033.60/x
  3. Step 3: Cross multiply
    159,083.20x = 238,624.80 × 133,033.60
  4. Step 4: Simplify right side
    159,083.20x = 31,745,116,193.28
  5. Step 5: Solve for x
    x = 31,745,116,193.28/159,083.20
  6. Step 6: Final answer
    x = 199,550.40

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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.