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Finding the Fourth Proportional to 174,672,859.80, 261,505,404.90 and 174,672,859.80

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Solution

The fourth proportional to 174,672,859.80, 261,505,404.90 and 174,672,859.80 is: 261,505,404.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,672,859.80 : 261,505,404.90 = 174,672,859.80 : x
  2. Step 2: Convert to fraction form
    174,672,859.80/261,505,404.90 = 174,672,859.80/x
  3. Step 3: Cross multiply
    174,672,859.80x = 261,505,404.90 × 174,672,859.80
  4. Step 4: Simplify right side
    174,672,859.80x = 45,677,896,927,039,936
  5. Step 5: Solve for x
    x = 45,677,896,927,039,936/174,672,859.80
  6. Step 6: Final answer
    x = 261,505,404.90

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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.