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Finding the Fourth Proportional to 195,372.72, 293,059.80 and 47,628.72

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Solution

The fourth proportional to 195,372.72, 293,059.80 and 47,628.72 is: 71,443.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,372.72 : 293,059.80 = 47,628.72 : x
  2. Step 2: Convert to fraction form
    195,372.72/293,059.80 = 47,628.72/x
  3. Step 3: Cross multiply
    195,372.72x = 293,059.80 × 47,628.72
  4. Step 4: Simplify right side
    195,372.72x = 13,958,063,157.46
  5. Step 5: Solve for x
    x = 13,958,063,157.46/195,372.72
  6. Step 6: Final answer
    x = 71,443.26

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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.