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Finding the Fourth Proportional to 104,710.79, 156,816.03 and 57,254.92

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Solution

The fourth proportional to 104,710.79, 156,816.03 and 57,254.92 is: 85,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,710.79 : 156,816.03 = 57,254.92 : x
  2. Step 2: Convert to fraction form
    104,710.79/156,816.03 = 57,254.92/x
  3. Step 3: Cross multiply
    104,710.79x = 156,816.03 × 57,254.92
  4. Step 4: Simplify right side
    104,710.79x = 8,978,489,252.37
  5. Step 5: Solve for x
    x = 8,978,489,252.37/104,710.79
  6. Step 6: Final answer
    x = 85,745.60

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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.