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Finding the Fourth Proportional to 73,650, 101,637 and 40,116

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Solution

The fourth proportional to 73,650, 101,637 and 40,116 is: 55,360.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,650 : 101,637 = 40,116 : x
  2. Step 2: Convert to fraction form
    73,650/101,637 = 40,116/x
  3. Step 3: Cross multiply
    73,650x = 101,637 × 40,116
  4. Step 4: Simplify right side
    73,650x = 4,077,269,892
  5. Step 5: Solve for x
    x = 4,077,269,892/73,650
  6. Step 6: Final answer
    x = 55,360.08

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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.