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Finding the Fourth Proportional to 92,042.60, 137,966.70 and 52,514.60

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Solution

The fourth proportional to 92,042.60, 137,966.70 and 52,514.60 is: 78,716.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,042.60 : 137,966.70 = 52,514.60 : x
  2. Step 2: Convert to fraction form
    92,042.60/137,966.70 = 52,514.60/x
  3. Step 3: Cross multiply
    92,042.60x = 137,966.70 × 52,514.60
  4. Step 4: Simplify right side
    92,042.60x = 7,245,266,063.82
  5. Step 5: Solve for x
    x = 7,245,266,063.82/92,042.60
  6. Step 6: Final answer
    x = 78,716.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.