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Finding the Fourth Proportional to 235,682.79, 353,527.47 and 67,203.18

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Solution

The fourth proportional to 235,682.79, 353,527.47 and 67,203.18 is: 100,805.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,682.79 : 353,527.47 = 67,203.18 : x
  2. Step 2: Convert to fraction form
    235,682.79/353,527.47 = 67,203.18/x
  3. Step 3: Cross multiply
    235,682.79x = 353,527.47 × 67,203.18
  4. Step 4: Simplify right side
    235,682.79x = 23,758,170,201.35
  5. Step 5: Solve for x
    x = 23,758,170,201.35/235,682.79
  6. Step 6: Final answer
    x = 100,805.71

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1.5x scale

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.