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Finding the Fourth Proportional to 191,793.66, 287,680.05 and 58,673.93

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Solution

The fourth proportional to 191,793.66, 287,680.05 and 58,673.93 is: 88,007.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,793.66 : 287,680.05 = 58,673.93 : x
  2. Step 2: Convert to fraction form
    191,793.66/287,680.05 = 58,673.93/x
  3. Step 3: Cross multiply
    191,793.66x = 287,680.05 × 58,673.93
  4. Step 4: Simplify right side
    191,793.66x = 16,879,317,677.70
  5. Step 5: Solve for x
    x = 16,879,317,677.70/191,793.66
  6. Step 6: Final answer
    x = 88,007.69

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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.