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Finding the Fourth Proportional to 299,572.28, 449,309.52 and 99,894.32

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Solution

The fourth proportional to 299,572.28, 449,309.52 and 99,894.32 is: 149,825.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,572.28 : 449,309.52 = 99,894.32 : x
  2. Step 2: Convert to fraction form
    299,572.28/449,309.52 = 99,894.32/x
  3. Step 3: Cross multiply
    299,572.28x = 449,309.52 × 99,894.32
  4. Step 4: Simplify right side
    299,572.28x = 44,883,468,969.93
  5. Step 5: Solve for x
    x = 44,883,468,969.93/299,572.28
  6. Step 6: Final answer
    x = 149,825.17

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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.