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Finding the Fourth Proportional to 100,385,998.20, 150,295,562.10 and 100,385,998.20

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Solution

The fourth proportional to 100,385,998.20, 150,295,562.10 and 100,385,998.20 is: 150,295,562.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,385,998.20 : 150,295,562.10 = 100,385,998.20 : x
  2. Step 2: Convert to fraction form
    100,385,998.20/150,295,562.10 = 100,385,998.20/x
  3. Step 3: Cross multiply
    100,385,998.20x = 150,295,562.10 × 100,385,998.20
  4. Step 4: Simplify right side
    100,385,998.20x = 15,087,570,026,438,588
  5. Step 5: Solve for x
    x = 15,087,570,026,438,588/100,385,998.20
  6. Step 6: Final answer
    x = 150,295,562.10

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1.5x scale

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.