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Finding the Fourth Proportional to 73,695.56, 101,699.98 and 40,161.56

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Solution

The fourth proportional to 73,695.56, 101,699.98 and 40,161.56 is: 55,423.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,695.56 : 101,699.98 = 40,161.56 : x
  2. Step 2: Convert to fraction form
    73,695.56/101,699.98 = 40,161.56/x
  3. Step 3: Cross multiply
    73,695.56x = 101,699.98 × 40,161.56
  4. Step 4: Simplify right side
    73,695.56x = 4,084,430,002.61
  5. Step 5: Solve for x
    x = 4,084,430,002.61/73,695.56
  6. Step 6: Final answer
    x = 55,423.01

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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.