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Finding the Fourth Proportional to 191,456.68, 287,362.34 and 96,753.52

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Solution

The fourth proportional to 191,456.68, 287,362.34 and 96,753.52 is: 145,219.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,456.68 : 287,362.34 = 96,753.52 : x
  2. Step 2: Convert to fraction form
    191,456.68/287,362.34 = 96,753.52/x
  3. Step 3: Cross multiply
    191,456.68x = 287,362.34 × 96,753.52
  4. Step 4: Simplify right side
    191,456.68x = 27,803,317,910.44
  5. Step 5: Solve for x
    x = 27,803,317,910.44/191,456.68
  6. Step 6: Final answer
    x = 145,219.89

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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.