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Finding the Fourth Proportional to 164,520.80, 246,878.40 and 108,522.80

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Solution

The fourth proportional to 164,520.80, 246,878.40 and 108,522.80 is: 162,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,520.80 : 246,878.40 = 108,522.80 : x
  2. Step 2: Convert to fraction form
    164,520.80/246,878.40 = 108,522.80/x
  3. Step 3: Cross multiply
    164,520.80x = 246,878.40 × 108,522.80
  4. Step 4: Simplify right side
    164,520.80x = 26,791,935,227.52
  5. Step 5: Solve for x
    x = 26,791,935,227.52/164,520.80
  6. Step 6: Final answer
    x = 162,848.32

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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.