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Finding the Fourth Proportional to 83,046.80, 124,181.40 and 62,051.60

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Solution

The fourth proportional to 83,046.80, 124,181.40 and 62,051.60 is: 92,786.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,046.80 : 124,181.40 = 62,051.60 : x
  2. Step 2: Convert to fraction form
    83,046.80/124,181.40 = 62,051.60/x
  3. Step 3: Cross multiply
    83,046.80x = 124,181.40 × 62,051.60
  4. Step 4: Simplify right side
    83,046.80x = 7,705,654,560.24
  5. Step 5: Solve for x
    x = 7,705,654,560.24/83,046.80
  6. Step 6: Final answer
    x = 92,786.89

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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.