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Finding the Fourth Proportional to 65,754,175.20, 92,257,399.20 and 65,754,175.20

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Solution

The fourth proportional to 65,754,175.20, 92,257,399.20 and 65,754,175.20 is: 92,257,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,754,175.20 : 92,257,399.20 = 65,754,175.20 : x
  2. Step 2: Convert to fraction form
    65,754,175.20/92,257,399.20 = 65,754,175.20/x
  3. Step 3: Cross multiply
    65,754,175.20x = 92,257,399.20 × 65,754,175.20
  4. Step 4: Simplify right side
    65,754,175.20x = 6,066,309,190,493,140
  5. Step 5: Solve for x
    x = 6,066,309,190,493,140/65,754,175.20
  6. Step 6: Final answer
    x = 92,257,399.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.