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Finding the Fourth Proportional to 259,118.29, 388,884.80 and 134,494.93

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Solution

The fourth proportional to 259,118.29, 388,884.80 and 134,494.93 is: 201,850.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,118.29 : 388,884.80 = 134,494.93 : x
  2. Step 2: Convert to fraction form
    259,118.29/388,884.80 = 134,494.93/x
  3. Step 3: Cross multiply
    259,118.29x = 388,884.80 × 134,494.93
  4. Step 4: Simplify right side
    259,118.29x = 52,303,033,954.06
  5. Step 5: Solve for x
    x = 52,303,033,954.06/259,118.29
  6. Step 6: Final answer
    x = 201,850.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.