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Finding the Fourth Proportional to 348,517.64, 522,844.54 and 111,842.12

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Solution

The fourth proportional to 348,517.64, 522,844.54 and 111,842.12 is: 167,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,517.64 : 522,844.54 = 111,842.12 : x
  2. Step 2: Convert to fraction form
    348,517.64/522,844.54 = 111,842.12/x
  3. Step 3: Cross multiply
    348,517.64x = 522,844.54 × 111,842.12
  4. Step 4: Simplify right side
    348,517.64x = 58,476,041,784.02
  5. Step 5: Solve for x
    x = 58,476,041,784.02/348,517.64
  6. Step 6: Final answer
    x = 167,785.03

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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.