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Finding the Fourth Proportional to 118,794.39, 178,066.80 and 43,866.78

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Solution

The fourth proportional to 118,794.39, 178,066.80 and 43,866.78 is: 65,754.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,794.39 : 178,066.80 = 43,866.78 : x
  2. Step 2: Convert to fraction form
    118,794.39/178,066.80 = 43,866.78/x
  3. Step 3: Cross multiply
    118,794.39x = 178,066.80 × 43,866.78
  4. Step 4: Simplify right side
    118,794.39x = 7,811,217,140.90
  5. Step 5: Solve for x
    x = 7,811,217,140.90/118,794.39
  6. Step 6: Final answer
    x = 65,754.09

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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.