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Finding the Fourth Proportional to 108,902,149.80, 152,576,383.80 and 108,902,149.80

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Solution

The fourth proportional to 108,902,149.80, 152,576,383.80 and 108,902,149.80 is: 152,576,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,902,149.80 : 152,576,383.80 = 108,902,149.80 : x
  2. Step 2: Convert to fraction form
    108,902,149.80/152,576,383.80 = 108,902,149.80/x
  3. Step 3: Cross multiply
    108,902,149.80x = 152,576,383.80 × 108,902,149.80
  4. Step 4: Simplify right side
    108,902,149.80x = 16,615,896,204,529,894
  5. Step 5: Solve for x
    x = 16,615,896,204,529,894/108,902,149.80
  6. Step 6: Final answer
    x = 152,576,383.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.