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Finding the Fourth Proportional to 235,693.70, 353,470.08 and 67,202.36

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Solution

The fourth proportional to 235,693.70, 353,470.08 and 67,202.36 is: 100,783.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,693.70 : 353,470.08 = 67,202.36 : x
  2. Step 2: Convert to fraction form
    235,693.70/353,470.08 = 67,202.36/x
  3. Step 3: Cross multiply
    235,693.70x = 353,470.08 × 67,202.36
  4. Step 4: Simplify right side
    235,693.70x = 23,754,023,565.39
  5. Step 5: Solve for x
    x = 23,754,023,565.39/235,693.70
  6. Step 6: Final answer
    x = 100,783.45

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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.