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Finding the Fourth Proportional to 100,276,861.35, 150,415,292.03 and 100,276,861.35

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Solution

The fourth proportional to 100,276,861.35, 150,415,292.03 and 100,276,861.35 is: 150,415,292.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,276,861.35 : 150,415,292.03 = 100,276,861.35 : x
  2. Step 2: Convert to fraction form
    100,276,861.35/150,415,292.03 = 100,276,861.35/x
  3. Step 3: Cross multiply
    100,276,861.35x = 150,415,292.03 × 100,276,861.35
  4. Step 4: Simplify right side
    100,276,861.35x = 15,083,173,383,310,686
  5. Step 5: Solve for x
    x = 15,083,173,383,310,686/100,276,861.35
  6. Step 6: Final answer
    x = 150,415,292.03

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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.