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Finding the Fourth Proportional to 196,830,058.40, 295,245,087.60 and 196,830,058.40

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Solution

The fourth proportional to 196,830,058.40, 295,245,087.60 and 196,830,058.40 is: 295,245,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,830,058.40 : 295,245,087.60 = 196,830,058.40 : x
  2. Step 2: Convert to fraction form
    196,830,058.40/295,245,087.60 = 196,830,058.40/x
  3. Step 3: Cross multiply
    196,830,058.40x = 295,245,087.60 × 196,830,058.40
  4. Step 4: Simplify right side
    196,830,058.40x = 58,113,107,834,621,120
  5. Step 5: Solve for x
    x = 58,113,107,834,621,120/196,830,058.40
  6. Step 6: Final answer
    x = 295,245,087.60

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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.