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Finding the Fourth Proportional to 194,049.76, 291,161.04 and 190,900.48

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Solution

The fourth proportional to 194,049.76, 291,161.04 and 190,900.48 is: 286,435.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,049.76 : 291,161.04 = 190,900.48 : x
  2. Step 2: Convert to fraction form
    194,049.76/291,161.04 = 190,900.48/x
  3. Step 3: Cross multiply
    194,049.76x = 291,161.04 × 190,900.48
  4. Step 4: Simplify right side
    194,049.76x = 55,582,782,293.30
  5. Step 5: Solve for x
    x = 55,582,782,293.30/194,049.76
  6. Step 6: Final answer
    x = 286,435.72

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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.