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Finding the Fourth Proportional to 201,794,544.68, 278,476,470.01 and 108,975,044.32

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Solution

The fourth proportional to 201,794,544.68, 278,476,470.01 and 108,975,044.32 is: 150,385,560.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,794,544.68 : 278,476,470.01 = 108,975,044.32 : x
  2. Step 2: Convert to fraction form
    201,794,544.68/278,476,470.01 = 108,975,044.32/x
  3. Step 3: Cross multiply
    201,794,544.68x = 278,476,470.01 × 108,975,044.32
  4. Step 4: Simplify right side
    201,794,544.68x = 30,346,985,660,856,928
  5. Step 5: Solve for x
    x = 30,346,985,660,856,928/201,794,544.68
  6. Step 6: Final answer
    x = 150,385,560.27

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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.