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Finding the Fourth Proportional to 200,730.76, 301,110.74 and 67,611.04

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Solution

The fourth proportional to 200,730.76, 301,110.74 and 67,611.04 is: 101,421.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,730.76 : 301,110.74 = 67,611.04 : x
  2. Step 2: Convert to fraction form
    200,730.76/301,110.74 = 67,611.04/x
  3. Step 3: Cross multiply
    200,730.76x = 301,110.74 × 67,611.04
  4. Step 4: Simplify right side
    200,730.76x = 20,358,410,286.57
  5. Step 5: Solve for x
    x = 20,358,410,286.57/200,730.76
  6. Step 6: Final answer
    x = 101,421.48

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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.