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Finding the Fourth Proportional to 181,685,132.70, 272,527,699.05 and 181,685,132.70

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Solution

The fourth proportional to 181,685,132.70, 272,527,699.05 and 181,685,132.70 is: 272,527,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,685,132.70 : 272,527,699.05 = 181,685,132.70 : x
  2. Step 2: Convert to fraction form
    181,685,132.70/272,527,699.05 = 181,685,132.70/x
  3. Step 3: Cross multiply
    181,685,132.70x = 272,527,699.05 × 181,685,132.70
  4. Step 4: Simplify right side
    181,685,132.70x = 49,514,231,166,324,912
  5. Step 5: Solve for x
    x = 49,514,231,166,324,912/181,685,132.70
  6. Step 6: Final answer
    x = 272,527,699.05

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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.