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Finding the Fourth Proportional to 106,769.40, 160,110.90 and 36,612.60

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Solution

The fourth proportional to 106,769.40, 160,110.90 and 36,612.60 is: 54,904.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,769.40 : 160,110.90 = 36,612.60 : x
  2. Step 2: Convert to fraction form
    106,769.40/160,110.90 = 36,612.60/x
  3. Step 3: Cross multiply
    106,769.40x = 160,110.90 × 36,612.60
  4. Step 4: Simplify right side
    106,769.40x = 5,862,076,337.34
  5. Step 5: Solve for x
    x = 5,862,076,337.34/106,769.40
  6. Step 6: Final answer
    x = 54,904.09

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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.