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Finding the Fourth Proportional to 189,770,469.47, 284,694,528.46 and 65,256,927.09

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Solution

The fourth proportional to 189,770,469.47, 284,694,528.46 and 65,256,927.09 is: 97,898,741.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,770,469.47 : 284,694,528.46 = 65,256,927.09 : x
  2. Step 2: Convert to fraction form
    189,770,469.47/284,694,528.46 = 65,256,927.09/x
  3. Step 3: Cross multiply
    189,770,469.47x = 284,694,528.46 × 65,256,927.09
  4. Step 4: Simplify right side
    189,770,469.47x = 18,578,290,086,636,148
  5. Step 5: Solve for x
    x = 18,578,290,086,636,148/189,770,469.47
  6. Step 6: Final answer
    x = 97,898,741.25

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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.