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Finding the Fourth Proportional to 237,031, 355,546.53 and 70,819

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Solution

The fourth proportional to 237,031, 355,546.53 and 70,819 is: 106,228.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,031 : 355,546.53 = 70,819 : x
  2. Step 2: Convert to fraction form
    237,031/355,546.53 = 70,819/x
  3. Step 3: Cross multiply
    237,031x = 355,546.53 × 70,819
  4. Step 4: Simplify right side
    237,031x = 25,179,449,708.07
  5. Step 5: Solve for x
    x = 25,179,449,708.07/237,031
  6. Step 6: Final answer
    x = 106,228.51

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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.