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Finding the Fourth Proportional to 191,940.44, 287,952.77 and 58,830.71

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Solution

The fourth proportional to 191,940.44, 287,952.77 and 58,830.71 is: 88,258.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,940.44 : 287,952.77 = 58,830.71 : x
  2. Step 2: Convert to fraction form
    191,940.44/287,952.77 = 58,830.71/x
  3. Step 3: Cross multiply
    191,940.44x = 287,952.77 × 58,830.71
  4. Step 4: Simplify right side
    191,940.44x = 16,940,464,612.88
  5. Step 5: Solve for x
    x = 16,940,464,612.88/191,940.44
  6. Step 6: Final answer
    x = 88,258.97

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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.