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Finding the Fourth Proportional to 43,661,998.80, 65,483,812.80 and 22,076,308.80

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Solution

The fourth proportional to 43,661,998.80, 65,483,812.80 and 22,076,308.80 is: 33,109,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,661,998.80 : 65,483,812.80 = 22,076,308.80 : x
  2. Step 2: Convert to fraction form
    43,661,998.80/65,483,812.80 = 22,076,308.80/x
  3. Step 3: Cross multiply
    43,661,998.80x = 65,483,812.80 × 22,076,308.80
  4. Step 4: Simplify right side
    43,661,998.80x = 1,445,640,872,774,192.50
  5. Step 5: Solve for x
    x = 1,445,640,872,774,192.50/43,661,998.80
  6. Step 6: Final answer
    x = 33,109,818.89

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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.