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Finding the Fourth Proportional to 201,794,555.37, 278,476,484.78 and 108,975,055.01

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Solution

The fourth proportional to 201,794,555.37, 278,476,484.78 and 108,975,055.01 is: 150,385,575.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,794,555.37 : 278,476,484.78 = 108,975,055.01 : x
  2. Step 2: Convert to fraction form
    201,794,555.37/278,476,484.78 = 108,975,055.01/x
  3. Step 3: Cross multiply
    201,794,555.37x = 278,476,484.78 × 108,975,055.01
  4. Step 4: Simplify right side
    201,794,555.37x = 30,346,990,247,347,052
  5. Step 5: Solve for x
    x = 30,346,990,247,347,052/201,794,555.37
  6. Step 6: Final answer
    x = 150,385,575.03

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