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Finding the Fourth Proportional to 228,756.20, 342,797.07 and 127,414.67

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Solution

The fourth proportional to 228,756.20, 342,797.07 and 127,414.67 is: 190,934.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,756.20 : 342,797.07 = 127,414.67 : x
  2. Step 2: Convert to fraction form
    228,756.20/342,797.07 = 127,414.67/x
  3. Step 3: Cross multiply
    228,756.20x = 342,797.07 × 127,414.67
  4. Step 4: Simplify right side
    228,756.20x = 43,677,373,837.03
  5. Step 5: Solve for x
    x = 43,677,373,837.03/228,756.20
  6. Step 6: Final answer
    x = 190,934.17

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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.