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Finding the Fourth Proportional to 110,618.70, 165,928.05 and 36,746.70

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Solution

The fourth proportional to 110,618.70, 165,928.05 and 36,746.70 is: 55,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,618.70 : 165,928.05 = 36,746.70 : x
  2. Step 2: Convert to fraction form
    110,618.70/165,928.05 = 36,746.70/x
  3. Step 3: Cross multiply
    110,618.70x = 165,928.05 × 36,746.70
  4. Step 4: Simplify right side
    110,618.70x = 6,097,308,274.94
  5. Step 5: Solve for x
    x = 6,097,308,274.94/110,618.70
  6. Step 6: Final answer
    x = 55,120.05

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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.