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Finding the Fourth Proportional to 270,071,245.16, 405,106,872.60 and 65,597,942.60

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Solution

The fourth proportional to 270,071,245.16, 405,106,872.60 and 65,597,942.60 is: 98,396,915.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,071,245.16 : 405,106,872.60 = 65,597,942.60 : x
  2. Step 2: Convert to fraction form
    270,071,245.16/405,106,872.60 = 65,597,942.60/x
  3. Step 3: Cross multiply
    270,071,245.16x = 405,106,872.60 × 65,597,942.60
  4. Step 4: Simplify right side
    270,071,245.16x = 26,574,177,375,680,316
  5. Step 5: Solve for x
    x = 26,574,177,375,680,316/270,071,245.16
  6. Step 6: Final answer
    x = 98,396,915.08

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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.