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Finding the Fourth Proportional to 179,081.91, 247,235.10 and 118,734.21

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Solution

The fourth proportional to 179,081.91, 247,235.10 and 118,734.21 is: 163,920.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,081.91 : 247,235.10 = 118,734.21 : x
  2. Step 2: Convert to fraction form
    179,081.91/247,235.10 = 118,734.21/x
  3. Step 3: Cross multiply
    179,081.91x = 247,235.10 × 118,734.21
  4. Step 4: Simplify right side
    179,081.91x = 29,355,264,282.77
  5. Step 5: Solve for x
    x = 29,355,264,282.77/179,081.91
  6. Step 6: Final answer
    x = 163,920.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.