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Finding the Fourth Proportional to 220,544,110.65, 330,816,165.98 and 220,544,110.65

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Solution

The fourth proportional to 220,544,110.65, 330,816,165.98 and 220,544,110.65 is: 330,816,165.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,544,110.65 : 330,816,165.98 = 220,544,110.65 : x
  2. Step 2: Convert to fraction form
    220,544,110.65/330,816,165.98 = 220,544,110.65/x
  3. Step 3: Cross multiply
    220,544,110.65x = 330,816,165.98 × 220,544,110.65
  4. Step 4: Simplify right side
    220,544,110.65x = 72,959,557,113,599,168
  5. Step 5: Solve for x
    x = 72,959,557,113,599,168/220,544,110.65
  6. Step 6: Final answer
    x = 330,816,165.98

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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.