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Finding the Fourth Proportional to 159,336.68, 239,152.72 and 80,506.32

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Solution

The fourth proportional to 159,336.68, 239,152.72 and 80,506.32 is: 120,834.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,336.68 : 239,152.72 = 80,506.32 : x
  2. Step 2: Convert to fraction form
    159,336.68/239,152.72 = 80,506.32/x
  3. Step 3: Cross multiply
    159,336.68x = 239,152.72 × 80,506.32
  4. Step 4: Simplify right side
    159,336.68x = 19,253,305,405.19
  5. Step 5: Solve for x
    x = 19,253,305,405.19/159,336.68
  6. Step 6: Final answer
    x = 120,834.11

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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.