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Finding the Fourth Proportional to 85,359.81, 127,952.24 and 35,468.88

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Solution

The fourth proportional to 85,359.81, 127,952.24 and 35,468.88 is: 53,166.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,359.81 : 127,952.24 = 35,468.88 : x
  2. Step 2: Convert to fraction form
    85,359.81/127,952.24 = 35,468.88/x
  3. Step 3: Cross multiply
    85,359.81x = 127,952.24 × 35,468.88
  4. Step 4: Simplify right side
    85,359.81x = 4,538,322,646.29
  5. Step 5: Solve for x
    x = 4,538,322,646.29/85,359.81
  6. Step 6: Final answer
    x = 53,166.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.