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Finding the Fourth Proportional to 164,018.55, 246,125.03 and 108,019.20

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Solution

The fourth proportional to 164,018.55, 246,125.03 and 108,019.20 is: 162,092.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,018.55 : 246,125.03 = 108,019.20 : x
  2. Step 2: Convert to fraction form
    164,018.55/246,125.03 = 108,019.20/x
  3. Step 3: Cross multiply
    164,018.55x = 246,125.03 × 108,019.20
  4. Step 4: Simplify right side
    164,018.55x = 26,586,228,300.48
  5. Step 5: Solve for x
    x = 26,586,228,300.48/164,018.55
  6. Step 6: Final answer
    x = 162,092.81

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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.