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Finding the Fourth Proportional to 75,092.10, 103,653 and 43,273.68

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Solution

The fourth proportional to 75,092.10, 103,653 and 43,273.68 is: 59,732.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,092.10 : 103,653 = 43,273.68 : x
  2. Step 2: Convert to fraction form
    75,092.10/103,653 = 43,273.68/x
  3. Step 3: Cross multiply
    75,092.10x = 103,653 × 43,273.68
  4. Step 4: Simplify right side
    75,092.10x = 4,485,446,753.04
  5. Step 5: Solve for x
    x = 4,485,446,753.04/75,092.10
  6. Step 6: Final answer
    x = 59,732.61

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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.