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Finding the Fourth Proportional to 174,493.44, 261,817.92 and 91,368

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Solution

The fourth proportional to 174,493.44, 261,817.92 and 91,368 is: 137,092.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,493.44 : 261,817.92 = 91,368 : x
  2. Step 2: Convert to fraction form
    174,493.44/261,817.92 = 91,368/x
  3. Step 3: Cross multiply
    174,493.44x = 261,817.92 × 91,368
  4. Step 4: Simplify right side
    174,493.44x = 23,921,779,714.56
  5. Step 5: Solve for x
    x = 23,921,779,714.56/174,493.44
  6. Step 6: Final answer
    x = 137,092.72

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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.