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Finding the Fourth Proportional to 100,703.04, 150,937.44 and 89,039.04

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Solution

The fourth proportional to 100,703.04, 150,937.44 and 89,039.04 is: 133,455.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,703.04 : 150,937.44 = 89,039.04 : x
  2. Step 2: Convert to fraction form
    100,703.04/150,937.44 = 89,039.04/x
  3. Step 3: Cross multiply
    100,703.04x = 150,937.44 × 89,039.04
  4. Step 4: Simplify right side
    100,703.04x = 13,439,324,757.66
  5. Step 5: Solve for x
    x = 13,439,324,757.66/100,703.04
  6. Step 6: Final answer
    x = 133,455.01

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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.