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Finding the Fourth Proportional to 69,764,710.40, 104,684,390.40 and 29,379,276.80

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Solution

The fourth proportional to 69,764,710.40, 104,684,390.40 and 29,379,276.80 is: 44,084,633.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,764,710.40 : 104,684,390.40 = 29,379,276.80 : x
  2. Step 2: Convert to fraction form
    69,764,710.40/104,684,390.40 = 29,379,276.80/x
  3. Step 3: Cross multiply
    69,764,710.40x = 104,684,390.40 × 29,379,276.80
  4. Step 4: Simplify right side
    69,764,710.40x = 3,075,551,682,200,863
  5. Step 5: Solve for x
    x = 3,075,551,682,200,863/69,764,710.40
  6. Step 6: Final answer
    x = 44,084,633.40

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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.