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Finding the Fourth Proportional to 92,101.53, 127,089.78 and 51,814.44

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Solution

The fourth proportional to 92,101.53, 127,089.78 and 51,814.44 is: 71,498.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,101.53 : 127,089.78 = 51,814.44 : x
  2. Step 2: Convert to fraction form
    92,101.53/127,089.78 = 51,814.44/x
  3. Step 3: Cross multiply
    92,101.53x = 127,089.78 × 51,814.44
  4. Step 4: Simplify right side
    92,101.53x = 6,585,085,780.42
  5. Step 5: Solve for x
    x = 6,585,085,780.42/92,101.53
  6. Step 6: Final answer
    x = 71,498.11

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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.