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Finding the Fourth Proportional to 201,794,555.44, 278,476,484.88 and 108,975,055.06

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Solution

The fourth proportional to 201,794,555.44, 278,476,484.88 and 108,975,055.06 is: 150,385,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,794,555.44 : 278,476,484.88 = 108,975,055.06 : x
  2. Step 2: Convert to fraction form
    201,794,555.44/278,476,484.88 = 108,975,055.06/x
  3. Step 3: Cross multiply
    201,794,555.44x = 278,476,484.88 × 108,975,055.06
  4. Step 4: Simplify right side
    201,794,555.44x = 30,346,990,272,713,256
  5. Step 5: Solve for x
    x = 30,346,990,272,713,256/201,794,555.44
  6. Step 6: Final answer
    x = 150,385,575.10

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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.