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Finding the Fourth Proportional to 272,950.99, 409,553.29 and 104,415.60

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Solution

The fourth proportional to 272,950.99, 409,553.29 and 104,415.60 is: 156,671.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,950.99 : 409,553.29 = 104,415.60 : x
  2. Step 2: Convert to fraction form
    272,950.99/409,553.29 = 104,415.60/x
  3. Step 3: Cross multiply
    272,950.99x = 409,553.29 × 104,415.60
  4. Step 4: Simplify right side
    272,950.99x = 42,763,752,507.32
  5. Step 5: Solve for x
    x = 42,763,752,507.32/272,950.99
  6. Step 6: Final answer
    x = 156,671.91

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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.