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Finding the Fourth Proportional to 252,801.81, 379,259.21 and 95,031.63

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Solution

The fourth proportional to 252,801.81, 379,259.21 and 95,031.63 is: 142,568.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,801.81 : 379,259.21 = 95,031.63 : x
  2. Step 2: Convert to fraction form
    252,801.81/379,259.21 = 95,031.63/x
  3. Step 3: Cross multiply
    252,801.81x = 379,259.21 × 95,031.63
  4. Step 4: Simplify right side
    252,801.81x = 36,041,621,156.39
  5. Step 5: Solve for x
    x = 36,041,621,156.39/252,801.81
  6. Step 6: Final answer
    x = 142,568.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.