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Finding the Fourth Proportional to 72,182,503.90, 108,300,327.90 and 23,661,940.60

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Solution

The fourth proportional to 72,182,503.90, 108,300,327.90 and 23,661,940.60 is: 35,501,621.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,182,503.90 : 108,300,327.90 = 23,661,940.60 : x
  2. Step 2: Convert to fraction form
    72,182,503.90/108,300,327.90 = 23,661,940.60/x
  3. Step 3: Cross multiply
    72,182,503.90x = 108,300,327.90 × 23,661,940.60
  4. Step 4: Simplify right side
    72,182,503.90x = 2,562,595,925,730,323
  5. Step 5: Solve for x
    x = 2,562,595,925,730,323/72,182,503.90
  6. Step 6: Final answer
    x = 35,501,621.41

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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.