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Finding the Fourth Proportional to 253,661.32, 350,052.44 and 140,483.96

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Solution

The fourth proportional to 253,661.32, 350,052.44 and 140,483.96 is: 193,867.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,661.32 : 350,052.44 = 140,483.96 : x
  2. Step 2: Convert to fraction form
    253,661.32/350,052.44 = 140,483.96/x
  3. Step 3: Cross multiply
    253,661.32x = 350,052.44 × 140,483.96
  4. Step 4: Simplify right side
    253,661.32x = 49,176,752,978.86
  5. Step 5: Solve for x
    x = 49,176,752,978.86/253,661.32
  6. Step 6: Final answer
    x = 193,867.76

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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.