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Finding the Fourth Proportional to 100,504,851.10, 150,438,412.05 and 100,504,851.10

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Solution

The fourth proportional to 100,504,851.10, 150,438,412.05 and 100,504,851.10 is: 150,438,412.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,504,851.10 : 150,438,412.05 = 100,504,851.10 : x
  2. Step 2: Convert to fraction form
    100,504,851.10/150,438,412.05 = 100,504,851.10/x
  3. Step 3: Cross multiply
    100,504,851.10x = 150,438,412.05 × 100,504,851.10
  4. Step 4: Simplify right side
    100,504,851.10x = 15,119,790,202,805,696
  5. Step 5: Solve for x
    x = 15,119,790,202,805,696/100,504,851.10
  6. Step 6: Final answer
    x = 150,438,412.05

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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.