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Finding the Fourth Proportional to 303,080.67, 454,620.98 and 134,561.39

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Solution

The fourth proportional to 303,080.67, 454,620.98 and 134,561.39 is: 201,842.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,080.67 : 454,620.98 = 134,561.39 : x
  2. Step 2: Convert to fraction form
    303,080.67/454,620.98 = 134,561.39/x
  3. Step 3: Cross multiply
    303,080.67x = 454,620.98 × 134,561.39
  4. Step 4: Simplify right side
    303,080.67x = 61,174,429,055.26
  5. Step 5: Solve for x
    x = 61,174,429,055.26/303,080.67
  6. Step 6: Final answer
    x = 201,842.07

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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.