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Finding the Fourth Proportional to 231,353.01, 346,900.59 and 71,383.55

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Solution

The fourth proportional to 231,353.01, 346,900.59 and 71,383.55 is: 107,035.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,353.01 : 346,900.59 = 71,383.55 : x
  2. Step 2: Convert to fraction form
    231,353.01/346,900.59 = 71,383.55/x
  3. Step 3: Cross multiply
    231,353.01x = 346,900.59 × 71,383.55
  4. Step 4: Simplify right side
    231,353.01x = 24,762,993,876.79
  5. Step 5: Solve for x
    x = 24,762,993,876.79/231,353.01
  6. Step 6: Final answer
    x = 107,035.54

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1.5x scale

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.