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Finding the Fourth Proportional to 72,356,801.92, 108,446,893.44 and 33,967,070.08

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Solution

The fourth proportional to 72,356,801.92, 108,446,893.44 and 33,967,070.08 is: 50,909,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,356,801.92 : 108,446,893.44 = 33,967,070.08 : x
  2. Step 2: Convert to fraction form
    72,356,801.92/108,446,893.44 = 33,967,070.08/x
  3. Step 3: Cross multiply
    72,356,801.92x = 108,446,893.44 × 33,967,070.08
  4. Step 4: Simplify right side
    72,356,801.92x = 3,683,623,229,434,772
  5. Step 5: Solve for x
    x = 3,683,623,229,434,772/72,356,801.92
  6. Step 6: Final answer
    x = 50,909,149.27

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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.