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Finding the Fourth Proportional to 182,703.75, 252,130.39 and 102,131.20

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Solution

The fourth proportional to 182,703.75, 252,130.39 and 102,131.20 is: 140,940.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,703.75 : 252,130.39 = 102,131.20 : x
  2. Step 2: Convert to fraction form
    182,703.75/252,130.39 = 102,131.20/x
  3. Step 3: Cross multiply
    182,703.75x = 252,130.39 × 102,131.20
  4. Step 4: Simplify right side
    182,703.75x = 25,750,379,287.17
  5. Step 5: Solve for x
    x = 25,750,379,287.17/182,703.75
  6. Step 6: Final answer
    x = 140,940.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.