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Finding the Fourth Proportional to 254,883.92, 351,835.45 and 191,405.03

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Solution

The fourth proportional to 254,883.92, 351,835.45 and 191,405.03 is: 264,210.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,883.92 : 351,835.45 = 191,405.03 : x
  2. Step 2: Convert to fraction form
    254,883.92/351,835.45 = 191,405.03/x
  3. Step 3: Cross multiply
    254,883.92x = 351,835.45 × 191,405.03
  4. Step 4: Simplify right side
    254,883.92x = 67,343,072,624.62
  5. Step 5: Solve for x
    x = 67,343,072,624.62/254,883.92
  6. Step 6: Final answer
    x = 264,210.76

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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.