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Finding the Fourth Proportional to 269,761.69, 372,274.23 and 148,903.08

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Solution

The fourth proportional to 269,761.69, 372,274.23 and 148,903.08 is: 205,487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,761.69 : 372,274.23 = 148,903.08 : x
  2. Step 2: Convert to fraction form
    269,761.69/372,274.23 = 148,903.08/x
  3. Step 3: Cross multiply
    269,761.69x = 372,274.23 × 148,903.08
  4. Step 4: Simplify right side
    269,761.69x = 55,432,779,451.63
  5. Step 5: Solve for x
    x = 55,432,779,451.63/269,761.69
  6. Step 6: Final answer
    x = 205,487.96

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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.