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Finding the Fourth Proportional to 104,455.75, 156,681.84 and 33,377.87

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Solution

The fourth proportional to 104,455.75, 156,681.84 and 33,377.87 is: 50,066.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,455.75 : 156,681.84 = 33,377.87 : x
  2. Step 2: Convert to fraction form
    104,455.75/156,681.84 = 33,377.87/x
  3. Step 3: Cross multiply
    104,455.75x = 156,681.84 × 33,377.87
  4. Step 4: Simplify right side
    104,455.75x = 5,229,706,603.75
  5. Step 5: Solve for x
    x = 5,229,706,603.75/104,455.75
  6. Step 6: Final answer
    x = 50,066.24

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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.