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Finding the Fourth Proportional to 110,609.80, 165,914.70 and 36,737.80

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Solution

The fourth proportional to 110,609.80, 165,914.70 and 36,737.80 is: 55,106.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,609.80 : 165,914.70 = 36,737.80 : x
  2. Step 2: Convert to fraction form
    110,609.80/165,914.70 = 36,737.80/x
  3. Step 3: Cross multiply
    110,609.80x = 165,914.70 × 36,737.80
  4. Step 4: Simplify right side
    110,609.80x = 6,095,341,065.66
  5. Step 5: Solve for x
    x = 6,095,341,065.66/110,609.80
  6. Step 6: Final answer
    x = 55,106.70

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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.