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Finding the Fourth Proportional to 452,707.11, 679,165.69 and 132,846.06

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Solution

The fourth proportional to 452,707.11, 679,165.69 and 132,846.06 is: 199,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,707.11 : 679,165.69 = 132,846.06 : x
  2. Step 2: Convert to fraction form
    452,707.11/679,165.69 = 132,846.06/x
  3. Step 3: Cross multiply
    452,707.11x = 679,165.69 × 132,846.06
  4. Step 4: Simplify right side
    452,707.11x = 90,224,486,003.68
  5. Step 5: Solve for x
    x = 90,224,486,003.68/452,707.11
  6. Step 6: Final answer
    x = 199,299.91

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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.