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Finding the Fourth Proportional to 191,364.60, 287,046.90 and 58,243.80

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Solution

The fourth proportional to 191,364.60, 287,046.90 and 58,243.80 is: 87,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,364.60 : 287,046.90 = 58,243.80 : x
  2. Step 2: Convert to fraction form
    191,364.60/287,046.90 = 58,243.80/x
  3. Step 3: Cross multiply
    191,364.60x = 287,046.90 × 58,243.80
  4. Step 4: Simplify right side
    191,364.60x = 16,718,702,234.22
  5. Step 5: Solve for x
    x = 16,718,702,234.22/191,364.60
  6. Step 6: Final answer
    x = 87,365.70

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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.