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Finding the Fourth Proportional to 73,230.94, 100,983.27 and 62,655.58

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Solution

The fourth proportional to 73,230.94, 100,983.27 and 62,655.58 is: 86,400.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,230.94 : 100,983.27 = 62,655.58 : x
  2. Step 2: Convert to fraction form
    73,230.94/100,983.27 = 62,655.58/x
  3. Step 3: Cross multiply
    73,230.94x = 100,983.27 × 62,655.58
  4. Step 4: Simplify right side
    73,230.94x = 6,327,165,352.15
  5. Step 5: Solve for x
    x = 6,327,165,352.15/73,230.94
  6. Step 6: Final answer
    x = 86,400.17

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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.