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Finding the Fourth Proportional to 74,656, 103,027.44 and 41,124.16

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Solution

The fourth proportional to 74,656, 103,027.44 and 41,124.16 is: 56,752.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,656 : 103,027.44 = 41,124.16 : x
  2. Step 2: Convert to fraction form
    74,656/103,027.44 = 41,124.16/x
  3. Step 3: Cross multiply
    74,656x = 103,027.44 × 41,124.16
  4. Step 4: Simplify right side
    74,656x = 4,236,916,926.95
  5. Step 5: Solve for x
    x = 4,236,916,926.95/74,656
  6. Step 6: Final answer
    x = 56,752.53

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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.