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Finding the Fourth Proportional to 117,684.75, 176,566.01 and 47,525.79

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Solution

The fourth proportional to 117,684.75, 176,566.01 and 47,525.79 is: 71,304.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,684.75 : 176,566.01 = 47,525.79 : x
  2. Step 2: Convert to fraction form
    117,684.75/176,566.01 = 47,525.79/x
  3. Step 3: Cross multiply
    117,684.75x = 176,566.01 × 47,525.79
  4. Step 4: Simplify right side
    117,684.75x = 8,391,438,874.77
  5. Step 5: Solve for x
    x = 8,391,438,874.77/117,684.75
  6. Step 6: Final answer
    x = 71,304.39

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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.