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Finding the Fourth Proportional to 68,070.24, 102,174.48 and 43,048.80

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Solution

The fourth proportional to 68,070.24, 102,174.48 and 43,048.80 is: 64,616.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,070.24 : 102,174.48 = 43,048.80 : x
  2. Step 2: Convert to fraction form
    68,070.24/102,174.48 = 43,048.80/x
  3. Step 3: Cross multiply
    68,070.24x = 102,174.48 × 43,048.80
  4. Step 4: Simplify right side
    68,070.24x = 4,398,488,754.62
  5. Step 5: Solve for x
    x = 4,398,488,754.62/68,070.24
  6. Step 6: Final answer
    x = 64,616.91

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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.