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Finding the Fourth Proportional to 16,673,243.50, 23,009,076.03 and 9,042,395.50

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Solution

The fourth proportional to 16,673,243.50, 23,009,076.03 and 9,042,395.50 is: 12,478,505.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,673,243.50 : 23,009,076.03 = 9,042,395.50 : x
  2. Step 2: Convert to fraction form
    16,673,243.50/23,009,076.03 = 9,042,395.50/x
  3. Step 3: Cross multiply
    16,673,243.50x = 23,009,076.03 × 9,042,395.50
  4. Step 4: Simplify right side
    16,673,243.50x = 208,057,165,552,829.88
  5. Step 5: Solve for x
    x = 208,057,165,552,829.88/16,673,243.50
  6. Step 6: Final answer
    x = 12,478,505.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.