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Finding the Fourth Proportional to 262,757, 362,606.10 and 143,525

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Solution

The fourth proportional to 262,757, 362,606.10 and 143,525 is: 198,065.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,757 : 362,606.10 = 143,525 : x
  2. Step 2: Convert to fraction form
    262,757/362,606.10 = 143,525/x
  3. Step 3: Cross multiply
    262,757x = 362,606.10 × 143,525
  4. Step 4: Simplify right side
    262,757x = 52,043,040,502.50
  5. Step 5: Solve for x
    x = 52,043,040,502.50/262,757
  6. Step 6: Final answer
    x = 198,065.29

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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.