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Finding the Fourth Proportional to 73,609,896.80, 110,414,845.20 and 25,142,477.60

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Solution

The fourth proportional to 73,609,896.80, 110,414,845.20 and 25,142,477.60 is: 37,713,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,609,896.80 : 110,414,845.20 = 25,142,477.60 : x
  2. Step 2: Convert to fraction form
    73,609,896.80/110,414,845.20 = 25,142,477.60/x
  3. Step 3: Cross multiply
    73,609,896.80x = 110,414,845.20 × 25,142,477.60
  4. Step 4: Simplify right side
    73,609,896.80x = 2,776,102,772,148,468
  5. Step 5: Solve for x
    x = 2,776,102,772,148,468/73,609,896.80
  6. Step 6: Final answer
    x = 37,713,716.40

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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.