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Finding the Fourth Proportional to 237,027, 355,540.53 and 70,815

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Solution

The fourth proportional to 237,027, 355,540.53 and 70,815 is: 106,222.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,027 : 355,540.53 = 70,815 : x
  2. Step 2: Convert to fraction form
    237,027/355,540.53 = 70,815/x
  3. Step 3: Cross multiply
    237,027x = 355,540.53 × 70,815
  4. Step 4: Simplify right side
    237,027x = 25,177,602,631.95
  5. Step 5: Solve for x
    x = 25,177,602,631.95/237,027
  6. Step 6: Final answer
    x = 106,222.51

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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.