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Finding the Fourth Proportional to 191,796.06, 287,694.36 and 58,675.80

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Solution

The fourth proportional to 191,796.06, 287,694.36 and 58,675.80 is: 88,013.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,796.06 : 287,694.36 = 58,675.80 : x
  2. Step 2: Convert to fraction form
    191,796.06/287,694.36 = 58,675.80/x
  3. Step 3: Cross multiply
    191,796.06x = 287,694.36 × 58,675.80
  4. Step 4: Simplify right side
    191,796.06x = 16,880,696,728.49
  5. Step 5: Solve for x
    x = 16,880,696,728.49/191,796.06
  6. Step 6: Final answer
    x = 88,013.78

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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.