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Finding the Fourth Proportional to 242,855.16, 364,324.86 and 74,371.52

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Solution

The fourth proportional to 242,855.16, 364,324.86 and 74,371.52 is: 111,570.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,855.16 : 364,324.86 = 74,371.52 : x
  2. Step 2: Convert to fraction form
    242,855.16/364,324.86 = 74,371.52/x
  3. Step 3: Cross multiply
    242,855.16x = 364,324.86 × 74,371.52
  4. Step 4: Simplify right side
    242,855.16x = 27,095,393,611.99
  5. Step 5: Solve for x
    x = 27,095,393,611.99/242,855.16
  6. Step 6: Final answer
    x = 111,570.18

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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.