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Finding the Fourth Proportional to 191,763.98, 287,687.48 and 73,435.32

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Solution

The fourth proportional to 191,763.98, 287,687.48 and 73,435.32 is: 110,168.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,763.98 : 287,687.48 = 73,435.32 : x
  2. Step 2: Convert to fraction form
    191,763.98/287,687.48 = 73,435.32/x
  3. Step 3: Cross multiply
    191,763.98x = 287,687.48 × 73,435.32
  4. Step 4: Simplify right side
    191,763.98x = 21,126,422,153.79
  5. Step 5: Solve for x
    x = 21,126,422,153.79/191,763.98
  6. Step 6: Final answer
    x = 110,168.88

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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.