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Finding the Fourth Proportional to 79,252.38, 118,878.71 and 26,698.77

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Solution

The fourth proportional to 79,252.38, 118,878.71 and 26,698.77 is: 40,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,252.38 : 118,878.71 = 26,698.77 : x
  2. Step 2: Convert to fraction form
    79,252.38/118,878.71 = 26,698.77/x
  3. Step 3: Cross multiply
    79,252.38x = 118,878.71 × 26,698.77
  4. Step 4: Simplify right side
    79,252.38x = 3,173,915,202.69
  5. Step 5: Solve for x
    x = 3,173,915,202.69/79,252.38
  6. Step 6: Final answer
    x = 40,048.20

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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.