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Finding the Fourth Proportional to 104,338.88, 156,527.79 and 47,416.79

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Solution

The fourth proportional to 104,338.88, 156,527.79 and 47,416.79 is: 71,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,338.88 : 156,527.79 = 47,416.79 : x
  2. Step 2: Convert to fraction form
    104,338.88/156,527.79 = 47,416.79/x
  3. Step 3: Cross multiply
    104,338.88x = 156,527.79 × 47,416.79
  4. Step 4: Simplify right side
    104,338.88x = 7,422,045,827.82
  5. Step 5: Solve for x
    x = 7,422,045,827.82/104,338.88
  6. Step 6: Final answer
    x = 71,134.03

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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.