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Finding the Fourth Proportional to 262,866.78, 362,629.71 and 172,183.50

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Solution

The fourth proportional to 262,866.78, 362,629.71 and 172,183.50 is: 237,530.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,866.78 : 362,629.71 = 172,183.50 : x
  2. Step 2: Convert to fraction form
    262,866.78/362,629.71 = 172,183.50/x
  3. Step 3: Cross multiply
    262,866.78x = 362,629.71 × 172,183.50
  4. Step 4: Simplify right side
    262,866.78x = 62,438,852,671.79
  5. Step 5: Solve for x
    x = 62,438,852,671.79/262,866.78
  6. Step 6: Final answer
    x = 237,530.40

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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.