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Finding the Fourth Proportional to 348,100.80, 522,078.30 and 170,735.10

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Solution

The fourth proportional to 348,100.80, 522,078.30 and 170,735.10 is: 256,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,100.80 : 522,078.30 = 170,735.10 : x
  2. Step 2: Convert to fraction form
    348,100.80/522,078.30 = 170,735.10/x
  3. Step 3: Cross multiply
    348,100.80x = 522,078.30 × 170,735.10
  4. Step 4: Simplify right side
    348,100.80x = 89,137,090,758.33
  5. Step 5: Solve for x
    x = 89,137,090,758.33/348,100.80
  6. Step 6: Final answer
    x = 256,066.89

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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.