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Finding the Fourth Proportional to 357,453.42, 536,178.33 and 167,912.79

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Solution

The fourth proportional to 357,453.42, 536,178.33 and 167,912.79 is: 251,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,453.42 : 536,178.33 = 167,912.79 : x
  2. Step 2: Convert to fraction form
    357,453.42/536,178.33 = 167,912.79/x
  3. Step 3: Cross multiply
    357,453.42x = 536,178.33 × 167,912.79
  4. Step 4: Simplify right side
    357,453.42x = 90,031,199,327.84
  5. Step 5: Solve for x
    x = 90,031,199,327.84/357,453.42
  6. Step 6: Final answer
    x = 251,868.34

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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.