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Finding the Fourth Proportional to 238,960.86, 358,662.69 and 120,715.44

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Solution

The fourth proportional to 238,960.86, 358,662.69 and 120,715.44 is: 181,185.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,960.86 : 358,662.69 = 120,715.44 : x
  2. Step 2: Convert to fraction form
    238,960.86/358,662.69 = 120,715.44/x
  3. Step 3: Cross multiply
    238,960.86x = 358,662.69 × 120,715.44
  4. Step 4: Simplify right side
    238,960.86x = 43,296,124,434.93
  5. Step 5: Solve for x
    x = 43,296,124,434.93/238,960.86
  6. Step 6: Final answer
    x = 181,185.00

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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.