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Finding the Fourth Proportional to 201,252,615.90, 301,719,491.55 and 110,376,204.90

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Solution

The fourth proportional to 201,252,615.90, 301,719,491.55 and 110,376,204.90 is: 165,476,867.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,252,615.90 : 301,719,491.55 = 110,376,204.90 : x
  2. Step 2: Convert to fraction form
    201,252,615.90/301,719,491.55 = 110,376,204.90/x
  3. Step 3: Cross multiply
    201,252,615.90x = 301,719,491.55 × 110,376,204.90
  4. Step 4: Simplify right side
    201,252,615.90x = 33,302,652,421,646,620
  5. Step 5: Solve for x
    x = 33,302,652,421,646,620/201,252,615.90
  6. Step 6: Final answer
    x = 165,476,867.33

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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.