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Finding the Fourth Proportional to 73,969.65, 102,074.58 and 45,336.96

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Solution

The fourth proportional to 73,969.65, 102,074.58 and 45,336.96 is: 62,562.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,969.65 : 102,074.58 = 45,336.96 : x
  2. Step 2: Convert to fraction form
    73,969.65/102,074.58 = 45,336.96/x
  3. Step 3: Cross multiply
    73,969.65x = 102,074.58 × 45,336.96
  4. Step 4: Simplify right side
    73,969.65x = 4,627,751,150.48
  5. Step 5: Solve for x
    x = 4,627,751,150.48/73,969.65
  6. Step 6: Final answer
    x = 62,562.84

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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.