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Finding the Fourth Proportional to 301,501.56, 452,256.06 and 76,861.92

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Solution

The fourth proportional to 301,501.56, 452,256.06 and 76,861.92 is: 115,293.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,501.56 : 452,256.06 = 76,861.92 : x
  2. Step 2: Convert to fraction form
    301,501.56/452,256.06 = 76,861.92/x
  3. Step 3: Cross multiply
    301,501.56x = 452,256.06 × 76,861.92
  4. Step 4: Simplify right side
    301,501.56x = 34,761,269,103.24
  5. Step 5: Solve for x
    x = 34,761,269,103.24/301,501.56
  6. Step 6: Final answer
    x = 115,293.83

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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.