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Finding the Fourth Proportional to 236,138.34, 353,889.96 and 107,895.12

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Solution

The fourth proportional to 236,138.34, 353,889.96 and 107,895.12 is: 161,697.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,138.34 : 353,889.96 = 107,895.12 : x
  2. Step 2: Convert to fraction form
    236,138.34/353,889.96 = 107,895.12/x
  3. Step 3: Cross multiply
    236,138.34x = 353,889.96 × 107,895.12
  4. Step 4: Simplify right side
    236,138.34x = 38,182,999,701.00
  5. Step 5: Solve for x
    x = 38,182,999,701.00/236,138.34
  6. Step 6: Final answer
    x = 161,697.59

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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.