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Finding the Fourth Proportional to 75,082,620, 103,614,015.66 and 40,743,804

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Solution

The fourth proportional to 75,082,620, 103,614,015.66 and 40,743,804 is: 56,226,449.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,082,620 : 103,614,015.66 = 40,743,804 : x
  2. Step 2: Convert to fraction form
    75,082,620/103,614,015.66 = 40,743,804/x
  3. Step 3: Cross multiply
    75,082,620x = 103,614,015.66 × 40,743,804
  4. Step 4: Simplify right side
    75,082,620x = 4,221,629,145,703,970.50
  5. Step 5: Solve for x
    x = 4,221,629,145,703,970.50/75,082,620
  6. Step 6: Final answer
    x = 56,226,449.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.