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Finding the Fourth Proportional to 175,103.60, 262,266.60 and 143,999.60

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Solution

The fourth proportional to 175,103.60, 262,266.60 and 143,999.60 is: 215,679.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,103.60 : 262,266.60 = 143,999.60 : x
  2. Step 2: Convert to fraction form
    175,103.60/262,266.60 = 143,999.60/x
  3. Step 3: Cross multiply
    175,103.60x = 262,266.60 × 143,999.60
  4. Step 4: Simplify right side
    175,103.60x = 37,766,285,493.36
  5. Step 5: Solve for x
    x = 37,766,285,493.36/175,103.60
  6. Step 6: Final answer
    x = 215,679.66

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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.