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Finding the Fourth Proportional to 117,596.40, 176,334.12 and 34,479.60

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Solution

The fourth proportional to 117,596.40, 176,334.12 and 34,479.60 is: 51,701.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,596.40 : 176,334.12 = 34,479.60 : x
  2. Step 2: Convert to fraction form
    117,596.40/176,334.12 = 34,479.60/x
  3. Step 3: Cross multiply
    117,596.40x = 176,334.12 × 34,479.60
  4. Step 4: Simplify right side
    117,596.40x = 6,079,929,923.95
  5. Step 5: Solve for x
    x = 6,079,929,923.95/117,596.40
  6. Step 6: Final answer
    x = 51,701.67

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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.