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Finding the Fourth Proportional to 117,923,346.45, 176,885,019.68 and 117,923,346.45

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Solution

The fourth proportional to 117,923,346.45, 176,885,019.68 and 117,923,346.45 is: 176,885,019.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,923,346.45 : 176,885,019.68 = 117,923,346.45 : x
  2. Step 2: Convert to fraction form
    117,923,346.45/176,885,019.68 = 117,923,346.45/x
  3. Step 3: Cross multiply
    117,923,346.45x = 176,885,019.68 × 117,923,346.45
  4. Step 4: Simplify right side
    117,923,346.45x = 20,858,873,456,950,092
  5. Step 5: Solve for x
    x = 20,858,873,456,950,092/117,923,346.45
  6. Step 6: Final answer
    x = 176,885,019.68

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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.