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Finding the Fourth Proportional to 100,936.04, 151,427.48 and 34,376.74

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Solution

The fourth proportional to 100,936.04, 151,427.48 and 34,376.74 is: 51,573.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,936.04 : 151,427.48 = 34,376.74 : x
  2. Step 2: Convert to fraction form
    100,936.04/151,427.48 = 34,376.74/x
  3. Step 3: Cross multiply
    100,936.04x = 151,427.48 × 34,376.74
  4. Step 4: Simplify right side
    100,936.04x = 5,205,583,108.82
  5. Step 5: Solve for x
    x = 5,205,583,108.82/100,936.04
  6. Step 6: Final answer
    x = 51,573.09

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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.