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Finding the Fourth Proportional to 253,762.56, 350,169.60 and 140,555.52

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Solution

The fourth proportional to 253,762.56, 350,169.60 and 140,555.52 is: 193,954.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,762.56 : 350,169.60 = 140,555.52 : x
  2. Step 2: Convert to fraction form
    253,762.56/350,169.60 = 140,555.52/x
  3. Step 3: Cross multiply
    253,762.56x = 350,169.60 × 140,555.52
  4. Step 4: Simplify right side
    253,762.56x = 49,218,270,216.19
  5. Step 5: Solve for x
    x = 49,218,270,216.19/253,762.56
  6. Step 6: Final answer
    x = 193,954.03

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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.