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Finding the Fourth Proportional to 262,505.66, 362,238.99 and 147,778.35

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Solution

The fourth proportional to 262,505.66, 362,238.99 and 147,778.35 is: 203,923.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,505.66 : 362,238.99 = 147,778.35 : x
  2. Step 2: Convert to fraction form
    262,505.66/362,238.99 = 147,778.35/x
  3. Step 3: Cross multiply
    262,505.66x = 362,238.99 × 147,778.35
  4. Step 4: Simplify right side
    262,505.66x = 53,531,080,247.87
  5. Step 5: Solve for x
    x = 53,531,080,247.87/262,505.66
  6. Step 6: Final answer
    x = 203,923.53

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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.