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Finding the Fourth Proportional to 101,360.82, 151,963.74 and 61,371.12

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Solution

The fourth proportional to 101,360.82, 151,963.74 and 61,371.12 is: 92,009.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,360.82 : 151,963.74 = 61,371.12 : x
  2. Step 2: Convert to fraction form
    101,360.82/151,963.74 = 61,371.12/x
  3. Step 3: Cross multiply
    101,360.82x = 151,963.74 × 61,371.12
  4. Step 4: Simplify right side
    101,360.82x = 9,326,184,923.19
  5. Step 5: Solve for x
    x = 9,326,184,923.19/101,360.82
  6. Step 6: Final answer
    x = 92,009.76

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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.