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Finding the Fourth Proportional to 55,498,477.45, 83,247,716.18 and 55,498,477.45

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Solution

The fourth proportional to 55,498,477.45, 83,247,716.18 and 55,498,477.45 is: 83,247,716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,498,477.45 : 83,247,716.18 = 55,498,477.45 : x
  2. Step 2: Convert to fraction form
    55,498,477.45/83,247,716.18 = 55,498,477.45/x
  3. Step 3: Cross multiply
    55,498,477.45x = 83,247,716.18 × 55,498,477.45
  4. Step 4: Simplify right side
    55,498,477.45x = 4,620,121,498,902,238
  5. Step 5: Solve for x
    x = 4,620,121,498,902,238/55,498,477.45
  6. Step 6: Final answer
    x = 83,247,716.18

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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.