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Finding the Fourth Proportional to 53,414,907.60, 80,122,361.40 and 52,848,037.20

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Solution

The fourth proportional to 53,414,907.60, 80,122,361.40 and 52,848,037.20 is: 79,272,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,414,907.60 : 80,122,361.40 = 52,848,037.20 : x
  2. Step 2: Convert to fraction form
    53,414,907.60/80,122,361.40 = 52,848,037.20/x
  3. Step 3: Cross multiply
    53,414,907.60x = 80,122,361.40 × 52,848,037.20
  4. Step 4: Simplify right side
    53,414,907.60x = 4,234,309,535,819,044.50
  5. Step 5: Solve for x
    x = 4,234,309,535,819,044.50/53,414,907.60
  6. Step 6: Final answer
    x = 79,272,055.80

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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.