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Finding the Fourth Proportional to 194,751.48, 268,757.10 and 109,886.52

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Solution

The fourth proportional to 194,751.48, 268,757.10 and 109,886.52 is: 151,643.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,751.48 : 268,757.10 = 109,886.52 : x
  2. Step 2: Convert to fraction form
    194,751.48/268,757.10 = 109,886.52/x
  3. Step 3: Cross multiply
    194,751.48x = 268,757.10 × 109,886.52
  4. Step 4: Simplify right side
    194,751.48x = 29,532,782,444.29
  5. Step 5: Solve for x
    x = 29,532,782,444.29/194,751.48
  6. Step 6: Final answer
    x = 151,643.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.