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Finding the Fourth Proportional to 234,195.54, 351,289.88 and 74,271.16

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Solution

The fourth proportional to 234,195.54, 351,289.88 and 74,271.16 is: 111,405.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,195.54 : 351,289.88 = 74,271.16 : x
  2. Step 2: Convert to fraction form
    234,195.54/351,289.88 = 74,271.16/x
  3. Step 3: Cross multiply
    234,195.54x = 351,289.88 × 74,271.16
  4. Step 4: Simplify right side
    234,195.54x = 26,090,707,230.13
  5. Step 5: Solve for x
    x = 26,090,707,230.13/234,195.54
  6. Step 6: Final answer
    x = 111,405.66

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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.