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Finding the Fourth Proportional to 73,475.76, 101,394 and 41,643.84

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Solution

The fourth proportional to 73,475.76, 101,394 and 41,643.84 is: 57,467.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,475.76 : 101,394 = 41,643.84 : x
  2. Step 2: Convert to fraction form
    73,475.76/101,394 = 41,643.84/x
  3. Step 3: Cross multiply
    73,475.76x = 101,394 × 41,643.84
  4. Step 4: Simplify right side
    73,475.76x = 4,222,435,512.96
  5. Step 5: Solve for x
    x = 4,222,435,512.96/73,475.76
  6. Step 6: Final answer
    x = 57,467.05

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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.