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Finding the Fourth Proportional to 181,661,000.70, 272,491,501.05 and 181,661,000.70

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Solution

The fourth proportional to 181,661,000.70, 272,491,501.05 and 181,661,000.70 is: 272,491,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,661,000.70 : 272,491,501.05 = 181,661,000.70 : x
  2. Step 2: Convert to fraction form
    181,661,000.70/272,491,501.05 = 181,661,000.70/x
  3. Step 3: Cross multiply
    181,661,000.70x = 272,491,501.05 × 181,661,000.70
  4. Step 4: Simplify right side
    181,661,000.70x = 49,501,078,762,988,096
  5. Step 5: Solve for x
    x = 49,501,078,762,988,096/181,661,000.70
  6. Step 6: Final answer
    x = 272,491,501.05

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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.