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Finding the Fourth Proportional to 73,281.64, 101,128.65 and 41,449.84

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Solution

The fourth proportional to 73,281.64, 101,128.65 and 41,449.84 is: 57,200.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,281.64 : 101,128.65 = 41,449.84 : x
  2. Step 2: Convert to fraction form
    73,281.64/101,128.65 = 41,449.84/x
  3. Step 3: Cross multiply
    73,281.64x = 101,128.65 × 41,449.84
  4. Step 4: Simplify right side
    73,281.64x = 4,191,766,361.92
  5. Step 5: Solve for x
    x = 4,191,766,361.92/73,281.64
  6. Step 6: Final answer
    x = 57,200.77

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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.