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Finding the Fourth Proportional to 235,509.83, 353,268.79 and 67,034.48

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Solution

The fourth proportional to 235,509.83, 353,268.79 and 67,034.48 is: 100,552.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,509.83 : 353,268.79 = 67,034.48 : x
  2. Step 2: Convert to fraction form
    235,509.83/353,268.79 = 67,034.48/x
  3. Step 3: Cross multiply
    235,509.83x = 353,268.79 × 67,034.48
  4. Step 4: Simplify right side
    235,509.83x = 23,681,190,353.47
  5. Step 5: Solve for x
    x = 23,681,190,353.47/235,509.83
  6. Step 6: Final answer
    x = 100,552.88

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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.