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Finding the Fourth Proportional to 268,375.63, 370,350.75 and 147,516.88

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Solution

The fourth proportional to 268,375.63, 370,350.75 and 147,516.88 is: 203,569.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,375.63 : 370,350.75 = 147,516.88 : x
  2. Step 2: Convert to fraction form
    268,375.63/370,350.75 = 147,516.88/x
  3. Step 3: Cross multiply
    268,375.63x = 370,350.75 × 147,516.88
  4. Step 4: Simplify right side
    268,375.63x = 54,632,987,145.66
  5. Step 5: Solve for x
    x = 54,632,987,145.66/268,375.63
  6. Step 6: Final answer
    x = 203,569.11

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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.