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Finding the Fourth Proportional to 92,016.60, 137,927.70 and 52,488.60

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Solution

The fourth proportional to 92,016.60, 137,927.70 and 52,488.60 is: 78,677.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,016.60 : 137,927.70 = 52,488.60 : x
  2. Step 2: Convert to fraction form
    92,016.60/137,927.70 = 52,488.60/x
  3. Step 3: Cross multiply
    92,016.60x = 137,927.70 × 52,488.60
  4. Step 4: Simplify right side
    92,016.60x = 7,239,631,874.22
  5. Step 5: Solve for x
    x = 7,239,631,874.22/92,016.60
  6. Step 6: Final answer
    x = 78,677.45

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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.