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Finding the Fourth Proportional to 80,523,004.80, 120,690,028.80 and 34,464,784.80

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Solution

The fourth proportional to 80,523,004.80, 120,690,028.80 and 34,464,784.80 is: 51,656,739.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,523,004.80 : 120,690,028.80 = 34,464,784.80 : x
  2. Step 2: Convert to fraction form
    80,523,004.80/120,690,028.80 = 34,464,784.80/x
  3. Step 3: Cross multiply
    80,523,004.80x = 120,690,028.80 × 34,464,784.80
  4. Step 4: Simplify right side
    80,523,004.80x = 4,159,555,870,097,802
  5. Step 5: Solve for x
    x = 4,159,555,870,097,802/80,523,004.80
  6. Step 6: Final answer
    x = 51,656,739.34

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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.