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Finding the Fourth Proportional to 191,799.48, 287,688.73 and 58,679.73

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Solution

The fourth proportional to 191,799.48, 287,688.73 and 58,679.73 is: 88,016.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,799.48 : 287,688.73 = 58,679.73 : x
  2. Step 2: Convert to fraction form
    191,799.48/287,688.73 = 58,679.73/x
  3. Step 3: Cross multiply
    191,799.48x = 287,688.73 × 58,679.73
  4. Step 4: Simplify right side
    191,799.48x = 16,881,497,000.44
  5. Step 5: Solve for x
    x = 16,881,497,000.44/191,799.48
  6. Step 6: Final answer
    x = 88,016.39

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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.