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Finding the Fourth Proportional to 253,778.50, 350,225.80 and 140,601.26

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Solution

The fourth proportional to 253,778.50, 350,225.80 and 140,601.26 is: 194,036.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,778.50 : 350,225.80 = 140,601.26 : x
  2. Step 2: Convert to fraction form
    253,778.50/350,225.80 = 140,601.26/x
  3. Step 3: Cross multiply
    253,778.50x = 350,225.80 × 140,601.26
  4. Step 4: Simplify right side
    253,778.50x = 49,242,188,764.51
  5. Step 5: Solve for x
    x = 49,242,188,764.51/253,778.50
  6. Step 6: Final answer
    x = 194,036.09

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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.