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Finding the Fourth Proportional to 118,568.50, 163,620.39 and 67,597.65

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Solution

The fourth proportional to 118,568.50, 163,620.39 and 67,597.65 is: 93,282.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,568.50 : 163,620.39 = 67,597.65 : x
  2. Step 2: Convert to fraction form
    118,568.50/163,620.39 = 67,597.65/x
  3. Step 3: Cross multiply
    118,568.50x = 163,620.39 × 67,597.65
  4. Step 4: Simplify right side
    118,568.50x = 11,060,353,856.08
  5. Step 5: Solve for x
    x = 11,060,353,856.08/118,568.50
  6. Step 6: Final answer
    x = 93,282.40

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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.