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Finding the Fourth Proportional to 84,716,110.20, 127,074,165.30 and 84,716,110.20

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Solution

The fourth proportional to 84,716,110.20, 127,074,165.30 and 84,716,110.20 is: 127,074,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,716,110.20 : 127,074,165.30 = 84,716,110.20 : x
  2. Step 2: Convert to fraction form
    84,716,110.20/127,074,165.30 = 84,716,110.20/x
  3. Step 3: Cross multiply
    84,716,110.20x = 127,074,165.30 × 84,716,110.20
  4. Step 4: Simplify right side
    84,716,110.20x = 10,765,228,991,127,816
  5. Step 5: Solve for x
    x = 10,765,228,991,127,816/84,716,110.20
  6. Step 6: Final answer
    x = 127,074,165.30

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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.