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Finding the Fourth Proportional to 196,236,091.20, 293,716,407.60 and 196,236,091.20

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Solution

The fourth proportional to 196,236,091.20, 293,716,407.60 and 196,236,091.20 is: 293,716,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,236,091.20 : 293,716,407.60 = 196,236,091.20 : x
  2. Step 2: Convert to fraction form
    196,236,091.20/293,716,407.60 = 196,236,091.20/x
  3. Step 3: Cross multiply
    196,236,091.20x = 293,716,407.60 × 196,236,091.20
  4. Step 4: Simplify right side
    196,236,091.20x = 57,637,759,748,729,976
  5. Step 5: Solve for x
    x = 57,637,759,748,729,976/196,236,091.20
  6. Step 6: Final answer
    x = 293,716,407.60

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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.