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Finding the Fourth Proportional to 117,674.34, 176,637.90 and 47,599.62

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Solution

The fourth proportional to 117,674.34, 176,637.90 and 47,599.62 is: 71,450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,674.34 : 176,637.90 = 47,599.62 : x
  2. Step 2: Convert to fraction form
    117,674.34/176,637.90 = 47,599.62/x
  3. Step 3: Cross multiply
    117,674.34x = 176,637.90 × 47,599.62
  4. Step 4: Simplify right side
    117,674.34x = 8,407,896,917.60
  5. Step 5: Solve for x
    x = 8,407,896,917.60/117,674.34
  6. Step 6: Final answer
    x = 71,450.56

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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.