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Finding the Fourth Proportional to 262,272.54, 361,935.63 and 147,551.31

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Solution

The fourth proportional to 262,272.54, 361,935.63 and 147,551.31 is: 203,620.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,272.54 : 361,935.63 = 147,551.31 : x
  2. Step 2: Convert to fraction form
    262,272.54/361,935.63 = 147,551.31/x
  3. Step 3: Cross multiply
    262,272.54x = 361,935.63 × 147,551.31
  4. Step 4: Simplify right side
    262,272.54x = 53,404,076,342.18
  5. Step 5: Solve for x
    x = 53,404,076,342.18/262,272.54
  6. Step 6: Final answer
    x = 203,620.54

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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.