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Finding the Fourth Proportional to 191,809.92, 287,704.66 and 58,690.27

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Solution

The fourth proportional to 191,809.92, 287,704.66 and 58,690.27 is: 88,032.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,809.92 : 287,704.66 = 58,690.27 : x
  2. Step 2: Convert to fraction form
    191,809.92/287,704.66 = 58,690.27/x
  3. Step 3: Cross multiply
    191,809.92x = 287,704.66 × 58,690.27
  4. Step 4: Simplify right side
    191,809.92x = 16,885,464,498.61
  5. Step 5: Solve for x
    x = 16,885,464,498.61/191,809.92
  6. Step 6: Final answer
    x = 88,032.28

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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.