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Finding the Fourth Proportional to 235,788.17, 353,703.31 and 67,305.33

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Solution

The fourth proportional to 235,788.17, 353,703.31 and 67,305.33 is: 100,964.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,788.17 : 353,703.31 = 67,305.33 : x
  2. Step 2: Convert to fraction form
    235,788.17/353,703.31 = 67,305.33/x
  3. Step 3: Cross multiply
    235,788.17x = 353,703.31 × 67,305.33
  4. Step 4: Simplify right side
    235,788.17x = 23,806,117,833.38
  5. Step 5: Solve for x
    x = 23,806,117,833.38/235,788.17
  6. Step 6: Final answer
    x = 100,964.01

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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.