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Finding the Fourth Proportional to 64,473.28, 88,973.04 and 36,181.60

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Solution

The fourth proportional to 64,473.28, 88,973.04 and 36,181.60 is: 49,930.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,473.28 : 88,973.04 = 36,181.60 : x
  2. Step 2: Convert to fraction form
    64,473.28/88,973.04 = 36,181.60/x
  3. Step 3: Cross multiply
    64,473.28x = 88,973.04 × 36,181.60
  4. Step 4: Simplify right side
    64,473.28x = 3,219,186,944.06
  5. Step 5: Solve for x
    x = 3,219,186,944.06/64,473.28
  6. Step 6: Final answer
    x = 49,930.56

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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.