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Finding the Fourth Proportional to 253,649.57, 380,499.53 and 93,767.40

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Solution

The fourth proportional to 253,649.57, 380,499.53 and 93,767.40 is: 140,660.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,649.57 : 380,499.53 = 93,767.40 : x
  2. Step 2: Convert to fraction form
    253,649.57/380,499.53 = 93,767.40/x
  3. Step 3: Cross multiply
    253,649.57x = 380,499.53 × 93,767.40
  4. Step 4: Simplify right side
    253,649.57x = 35,678,451,160.49
  5. Step 5: Solve for x
    x = 35,678,451,160.49/253,649.57
  6. Step 6: Final answer
    x = 140,660.41

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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.