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Finding the Fourth Proportional to 73,070.25, 100,837.02 and 41,238.47

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Solution

The fourth proportional to 73,070.25, 100,837.02 and 41,238.47 is: 56,909.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,070.25 : 100,837.02 = 41,238.47 : x
  2. Step 2: Convert to fraction form
    73,070.25/100,837.02 = 41,238.47/x
  3. Step 3: Cross multiply
    73,070.25x = 100,837.02 × 41,238.47
  4. Step 4: Simplify right side
    73,070.25x = 4,158,363,919.97
  5. Step 5: Solve for x
    x = 4,158,363,919.97/73,070.25
  6. Step 6: Final answer
    x = 56,909.12

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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.