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Finding the Fourth Proportional to 134,322.56, 185,359.29 and 73,889.38

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Solution

The fourth proportional to 134,322.56, 185,359.29 and 73,889.38 is: 101,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,322.56 : 185,359.29 = 73,889.38 : x
  2. Step 2: Convert to fraction form
    134,322.56/185,359.29 = 73,889.38/x
  3. Step 3: Cross multiply
    134,322.56x = 185,359.29 × 73,889.38
  4. Step 4: Simplify right side
    134,322.56x = 13,696,082,342.94
  5. Step 5: Solve for x
    x = 13,696,082,342.94/134,322.56
  6. Step 6: Final answer
    x = 101,964.12

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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.