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Finding the Fourth Proportional to 73,688.24, 101,688.26 and 43,475.24

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Solution

The fourth proportional to 73,688.24, 101,688.26 and 43,475.24 is: 59,994.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,688.24 : 101,688.26 = 43,475.24 : x
  2. Step 2: Convert to fraction form
    73,688.24/101,688.26 = 43,475.24/x
  3. Step 3: Cross multiply
    73,688.24x = 101,688.26 × 43,475.24
  4. Step 4: Simplify right side
    73,688.24x = 4,420,921,508.68
  5. Step 5: Solve for x
    x = 4,420,921,508.68/73,688.24
  6. Step 6: Final answer
    x = 59,994.94

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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.