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Finding the Fourth Proportional to 109,634.61, 151,323.69 and 73,340.13

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Solution

The fourth proportional to 109,634.61, 151,323.69 and 73,340.13 is: 101,228.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,634.61 : 151,323.69 = 73,340.13 : x
  2. Step 2: Convert to fraction form
    109,634.61/151,323.69 = 73,340.13/x
  3. Step 3: Cross multiply
    109,634.61x = 151,323.69 × 73,340.13
  4. Step 4: Simplify right side
    109,634.61x = 11,098,099,939.17
  5. Step 5: Solve for x
    x = 11,098,099,939.17/109,634.61
  6. Step 6: Final answer
    x = 101,228.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.