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Finding the Fourth Proportional to 242,900.00, 364,244.19 and 129,022.89

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Solution

The fourth proportional to 242,900.00, 364,244.19 and 129,022.89 is: 193,478.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,900.00 : 364,244.19 = 129,022.89 : x
  2. Step 2: Convert to fraction form
    242,900.00/364,244.19 = 129,022.89/x
  3. Step 3: Cross multiply
    242,900.00x = 364,244.19 × 129,022.89
  4. Step 4: Simplify right side
    242,900.00x = 46,995,837,736.95
  5. Step 5: Solve for x
    x = 46,995,837,736.95/242,900.00
  6. Step 6: Final answer
    x = 193,478.13

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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.