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Finding the Fourth Proportional to 110,215, 165,338.08 and 35,317.64

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Solution

The fourth proportional to 110,215, 165,338.08 and 35,317.64 is: 52,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,215 : 165,338.08 = 35,317.64 : x
  2. Step 2: Convert to fraction form
    110,215/165,338.08 = 35,317.64/x
  3. Step 3: Cross multiply
    110,215x = 165,338.08 × 35,317.64
  4. Step 4: Simplify right side
    110,215x = 5,839,350,787.73
  5. Step 5: Solve for x
    x = 5,839,350,787.73/110,215
  6. Step 6: Final answer
    x = 52,981.45

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1.5x scale

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.