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Finding the Fourth Proportional to 129,696.48, 194,622.48 and 46,596.96

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Solution

The fourth proportional to 129,696.48, 194,622.48 and 46,596.96 is: 69,923.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,696.48 : 194,622.48 = 46,596.96 : x
  2. Step 2: Convert to fraction form
    129,696.48/194,622.48 = 46,596.96/x
  3. Step 3: Cross multiply
    129,696.48x = 194,622.48 × 46,596.96
  4. Step 4: Simplify right side
    129,696.48x = 9,068,815,915.66
  5. Step 5: Solve for x
    x = 9,068,815,915.66/129,696.48
  6. Step 6: Final answer
    x = 69,923.38

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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.