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Finding the Fourth Proportional to 299,552.08, 449,203.20 and 121,938.52

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Solution

The fourth proportional to 299,552.08, 449,203.20 and 121,938.52 is: 182,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,552.08 : 449,203.20 = 121,938.52 : x
  2. Step 2: Convert to fraction form
    299,552.08/449,203.20 = 121,938.52/x
  3. Step 3: Cross multiply
    299,552.08x = 449,203.20 × 121,938.52
  4. Step 4: Simplify right side
    299,552.08x = 54,775,173,387.26
  5. Step 5: Solve for x
    x = 54,775,173,387.26/299,552.08
  6. Step 6: Final answer
    x = 182,856.93

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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.