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Finding the Fourth Proportional to 262,854.36, 362,860.11 and 153,943.54

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Solution

The fourth proportional to 262,854.36, 362,860.11 and 153,943.54 is: 212,513.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,854.36 : 362,860.11 = 153,943.54 : x
  2. Step 2: Convert to fraction form
    262,854.36/362,860.11 = 153,943.54/x
  3. Step 3: Cross multiply
    262,854.36x = 362,860.11 × 153,943.54
  4. Step 4: Simplify right side
    262,854.36x = 55,859,970,188.05
  5. Step 5: Solve for x
    x = 55,859,970,188.05/262,854.36
  6. Step 6: Final answer
    x = 212,513.01

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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.