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Finding the Fourth Proportional to 78,580,003.80, 117,923,149.80 and 44,036,338.80

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Solution

The fourth proportional to 78,580,003.80, 117,923,149.80 and 44,036,338.80 is: 66,084,290.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,580,003.80 : 117,923,149.80 = 44,036,338.80 : x
  2. Step 2: Convert to fraction form
    78,580,003.80/117,923,149.80 = 44,036,338.80/x
  3. Step 3: Cross multiply
    78,580,003.80x = 117,923,149.80 × 44,036,338.80
  4. Step 4: Simplify right side
    78,580,003.80x = 5,192,903,776,955,952
  5. Step 5: Solve for x
    x = 5,192,903,776,955,952/78,580,003.80
  6. Step 6: Final answer
    x = 66,084,290.22

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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.