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Finding the Fourth Proportional to 270,792.31, 373,667.44 and 149,929.18

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Solution

The fourth proportional to 270,792.31, 373,667.44 and 149,929.18 is: 206,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,792.31 : 373,667.44 = 149,929.18 : x
  2. Step 2: Convert to fraction form
    270,792.31/373,667.44 = 149,929.18/x
  3. Step 3: Cross multiply
    270,792.31x = 373,667.44 × 149,929.18
  4. Step 4: Simplify right side
    270,792.31x = 56,023,652,871.90
  5. Step 5: Solve for x
    x = 56,023,652,871.90/270,792.31
  6. Step 6: Final answer
    x = 206,887.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.