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Finding the Fourth Proportional to 302,003.64, 452,993.94 and 91,633.08

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Solution

The fourth proportional to 302,003.64, 452,993.94 and 91,633.08 is: 137,446.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,003.64 : 452,993.94 = 91,633.08 : x
  2. Step 2: Convert to fraction form
    302,003.64/452,993.94 = 91,633.08/x
  3. Step 3: Cross multiply
    302,003.64x = 452,993.94 × 91,633.08
  4. Step 4: Simplify right side
    302,003.64x = 41,509,229,943.54
  5. Step 5: Solve for x
    x = 41,509,229,943.54/302,003.64
  6. Step 6: Final answer
    x = 137,446.12

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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.