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Finding the Fourth Proportional to 68,902.14, 95,068.71 and 39,094.14

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Solution

The fourth proportional to 68,902.14, 95,068.71 and 39,094.14 is: 53,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,902.14 : 95,068.71 = 39,094.14 : x
  2. Step 2: Convert to fraction form
    68,902.14/95,068.71 = 39,094.14/x
  3. Step 3: Cross multiply
    68,902.14x = 95,068.71 × 39,094.14
  4. Step 4: Simplify right side
    68,902.14x = 3,716,629,458.36
  5. Step 5: Solve for x
    x = 3,716,629,458.36/68,902.14
  6. Step 6: Final answer
    x = 53,940.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.