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Finding the Fourth Proportional to 235,484.70, 352,919.85 and 109,110.30

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Solution

The fourth proportional to 235,484.70, 352,919.85 and 109,110.30 is: 163,523.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,484.70 : 352,919.85 = 109,110.30 : x
  2. Step 2: Convert to fraction form
    235,484.70/352,919.85 = 109,110.30/x
  3. Step 3: Cross multiply
    235,484.70x = 352,919.85 × 109,110.30
  4. Step 4: Simplify right side
    235,484.70x = 38,507,190,709.46
  5. Step 5: Solve for x
    x = 38,507,190,709.46/235,484.70
  6. Step 6: Final answer
    x = 163,523.11

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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.