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Finding the Fourth Proportional to 106,797.60, 160,210.80 and 36,698.40

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Solution

The fourth proportional to 106,797.60, 160,210.80 and 36,698.40 is: 55,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,797.60 : 160,210.80 = 36,698.40 : x
  2. Step 2: Convert to fraction form
    106,797.60/160,210.80 = 36,698.40/x
  3. Step 3: Cross multiply
    106,797.60x = 160,210.80 × 36,698.40
  4. Step 4: Simplify right side
    106,797.60x = 5,879,480,022.72
  5. Step 5: Solve for x
    x = 5,879,480,022.72/106,797.60
  6. Step 6: Final answer
    x = 55,052.55

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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.