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Finding the Fourth Proportional to 69,571,866.80, 104,357,800.20 and 63,619,727.60

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Solution

The fourth proportional to 69,571,866.80, 104,357,800.20 and 63,619,727.60 is: 95,429,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,571,866.80 : 104,357,800.20 = 63,619,727.60 : x
  2. Step 2: Convert to fraction form
    69,571,866.80/104,357,800.20 = 63,619,727.60/x
  3. Step 3: Cross multiply
    69,571,866.80x = 104,357,800.20 × 63,619,727.60
  4. Step 4: Simplify right side
    69,571,866.80x = 6,639,214,821,659,226
  5. Step 5: Solve for x
    x = 6,639,214,821,659,226/69,571,866.80
  6. Step 6: Final answer
    x = 95,429,591.40

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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.