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Finding the Fourth Proportional to 191,498.82, 287,100.22 and 96,680.19

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Solution

The fourth proportional to 191,498.82, 287,100.22 and 96,680.19 is: 144,945.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,498.82 : 287,100.22 = 96,680.19 : x
  2. Step 2: Convert to fraction form
    191,498.82/287,100.22 = 96,680.19/x
  3. Step 3: Cross multiply
    191,498.82x = 287,100.22 × 96,680.19
  4. Step 4: Simplify right side
    191,498.82x = 27,756,903,818.64
  5. Step 5: Solve for x
    x = 27,756,903,818.64/191,498.82
  6. Step 6: Final answer
    x = 144,945.56

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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.