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Finding the Fourth Proportional to 235,453.98, 353,143.08 and 64,635.84

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Solution

The fourth proportional to 235,453.98, 353,143.08 and 64,635.84 is: 96,943.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,453.98 : 353,143.08 = 64,635.84 : x
  2. Step 2: Convert to fraction form
    235,453.98/353,143.08 = 64,635.84/x
  3. Step 3: Cross multiply
    235,453.98x = 353,143.08 × 64,635.84
  4. Step 4: Simplify right side
    235,453.98x = 22,825,699,615.99
  5. Step 5: Solve for x
    x = 22,825,699,615.99/235,453.98
  6. Step 6: Final answer
    x = 96,943.36

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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.