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Finding the Fourth Proportional to 251,696.20, 377,544.30 and 93,916.30

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Solution

The fourth proportional to 251,696.20, 377,544.30 and 93,916.30 is: 140,874.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,696.20 : 377,544.30 = 93,916.30 : x
  2. Step 2: Convert to fraction form
    251,696.20/377,544.30 = 93,916.30/x
  3. Step 3: Cross multiply
    251,696.20x = 377,544.30 × 93,916.30
  4. Step 4: Simplify right side
    251,696.20x = 35,457,563,742.09
  5. Step 5: Solve for x
    x = 35,457,563,742.09/251,696.20
  6. Step 6: Final answer
    x = 140,874.45

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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.