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Finding the Fourth Proportional to 65,764,048.20, 98,646,072.30 and 65,764,048.20

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Solution

The fourth proportional to 65,764,048.20, 98,646,072.30 and 65,764,048.20 is: 98,646,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,764,048.20 : 98,646,072.30 = 65,764,048.20 : x
  2. Step 2: Convert to fraction form
    65,764,048.20/98,646,072.30 = 65,764,048.20/x
  3. Step 3: Cross multiply
    65,764,048.20x = 98,646,072.30 × 65,764,048.20
  4. Step 4: Simplify right side
    65,764,048.20x = 6,487,365,053,477,885
  5. Step 5: Solve for x
    x = 6,487,365,053,477,885/65,764,048.20
  6. Step 6: Final answer
    x = 98,646,072.30

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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.