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Finding the Fourth Proportional to 109,909.28, 164,885.80 and 35,027

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Solution

The fourth proportional to 109,909.28, 164,885.80 and 35,027 is: 52,547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,909.28 : 164,885.80 = 35,027 : x
  2. Step 2: Convert to fraction form
    109,909.28/164,885.80 = 35,027/x
  3. Step 3: Cross multiply
    109,909.28x = 164,885.80 × 35,027
  4. Step 4: Simplify right side
    109,909.28x = 5,775,454,916.60
  5. Step 5: Solve for x
    x = 5,775,454,916.60/109,909.28
  6. Step 6: Final answer
    x = 52,547.47

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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.