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Finding the Fourth Proportional to 192,568.95, 265,745.66 and 107,686.01

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Solution

The fourth proportional to 192,568.95, 265,745.66 and 107,686.01 is: 148,606.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,568.95 : 265,745.66 = 107,686.01 : x
  2. Step 2: Convert to fraction form
    192,568.95/265,745.66 = 107,686.01/x
  3. Step 3: Cross multiply
    192,568.95x = 265,745.66 × 107,686.01
  4. Step 4: Simplify right side
    192,568.95x = 28,617,087,933.06
  5. Step 5: Solve for x
    x = 28,617,087,933.06/192,568.95
  6. Step 6: Final answer
    x = 148,606.97

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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.