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Finding the Fourth Proportional to 235,685.70, 353,458.08 and 67,194.36

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Solution

The fourth proportional to 235,685.70, 353,458.08 and 67,194.36 is: 100,771.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,685.70 : 353,458.08 = 67,194.36 : x
  2. Step 2: Convert to fraction form
    235,685.70/353,458.08 = 67,194.36/x
  3. Step 3: Cross multiply
    235,685.70x = 353,458.08 × 67,194.36
  4. Step 4: Simplify right side
    235,685.70x = 23,750,389,472.43
  5. Step 5: Solve for x
    x = 23,750,389,472.43/235,685.70
  6. Step 6: Final answer
    x = 100,771.45

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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.