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Finding the Fourth Proportional to 106,284,703.20, 159,143,619.60 and 106,284,703.20

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Solution

The fourth proportional to 106,284,703.20, 159,143,619.60 and 106,284,703.20 is: 159,143,619.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,284,703.20 : 159,143,619.60 = 106,284,703.20 : x
  2. Step 2: Convert to fraction form
    106,284,703.20/159,143,619.60 = 106,284,703.20/x
  3. Step 3: Cross multiply
    106,284,703.20x = 159,143,619.60 × 106,284,703.20
  4. Step 4: Simplify right side
    106,284,703.20x = 16,914,532,375,359,702
  5. Step 5: Solve for x
    x = 16,914,532,375,359,702/106,284,703.20
  6. Step 6: Final answer
    x = 159,143,619.60

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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.