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Finding the Fourth Proportional to 73,776.96, 101,809.25 and 43,572.02

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Solution

The fourth proportional to 73,776.96, 101,809.25 and 43,572.02 is: 60,127.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,776.96 : 101,809.25 = 43,572.02 : x
  2. Step 2: Convert to fraction form
    73,776.96/101,809.25 = 43,572.02/x
  3. Step 3: Cross multiply
    73,776.96x = 101,809.25 × 43,572.02
  4. Step 4: Simplify right side
    73,776.96x = 4,436,033,950.28
  5. Step 5: Solve for x
    x = 4,436,033,950.28/73,776.96
  6. Step 6: Final answer
    x = 60,127.63

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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.