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Finding the Fourth Proportional to 295,024.50, 407,138.67 and 160,888.50

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Solution

The fourth proportional to 295,024.50, 407,138.67 and 160,888.50 is: 222,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,024.50 : 407,138.67 = 160,888.50 : x
  2. Step 2: Convert to fraction form
    295,024.50/407,138.67 = 160,888.50/x
  3. Step 3: Cross multiply
    295,024.50x = 407,138.67 × 160,888.50
  4. Step 4: Simplify right side
    295,024.50x = 65,503,929,908.30
  5. Step 5: Solve for x
    x = 65,503,929,908.30/295,024.50
  6. Step 6: Final answer
    x = 222,028.78

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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.