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Finding the Fourth Proportional to 191,935, 287,903.31 and 58,805.02

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Solution

The fourth proportional to 191,935, 287,903.31 and 58,805.02 is: 88,207.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,935 : 287,903.31 = 58,805.02 : x
  2. Step 2: Convert to fraction form
    191,935/287,903.31 = 58,805.02/x
  3. Step 3: Cross multiply
    191,935x = 287,903.31 × 58,805.02
  4. Step 4: Simplify right side
    191,935x = 16,930,159,902.62
  5. Step 5: Solve for x
    x = 16,930,159,902.62/191,935
  6. Step 6: Final answer
    x = 88,207.78

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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.