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Finding the Fourth Proportional to 108,525.61, 162,843.98 and 51,663.87

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Solution

The fourth proportional to 108,525.61, 162,843.98 and 51,663.87 is: 77,522.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,525.61 : 162,843.98 = 51,663.87 : x
  2. Step 2: Convert to fraction form
    108,525.61/162,843.98 = 51,663.87/x
  3. Step 3: Cross multiply
    108,525.61x = 162,843.98 × 51,663.87
  4. Step 4: Simplify right side
    108,525.61x = 8,413,150,213.00
  5. Step 5: Solve for x
    x = 8,413,150,213.00/108,525.61
  6. Step 6: Final answer
    x = 77,522.26

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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.