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Finding the Fourth Proportional to 253,877.62, 350,351.31 and 140,700.37

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Solution

The fourth proportional to 253,877.62, 350,351.31 and 140,700.37 is: 194,166.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,877.62 : 350,351.31 = 140,700.37 : x
  2. Step 2: Convert to fraction form
    253,877.62/350,351.31 = 140,700.37/x
  3. Step 3: Cross multiply
    253,877.62x = 350,351.31 × 140,700.37
  4. Step 4: Simplify right side
    253,877.62x = 49,294,558,946.98
  5. Step 5: Solve for x
    x = 49,294,558,946.98/253,877.62
  6. Step 6: Final answer
    x = 194,166.62

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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.