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Finding the Fourth Proportional to 191,457.68, 287,363.84 and 96,754.52

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Solution

The fourth proportional to 191,457.68, 287,363.84 and 96,754.52 is: 145,221.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,457.68 : 287,363.84 = 96,754.52 : x
  2. Step 2: Convert to fraction form
    191,457.68/287,363.84 = 96,754.52/x
  3. Step 3: Cross multiply
    191,457.68x = 287,363.84 × 96,754.52
  4. Step 4: Simplify right side
    191,457.68x = 27,803,750,404.56
  5. Step 5: Solve for x
    x = 27,803,750,404.56/191,457.68
  6. Step 6: Final answer
    x = 145,221.39

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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.