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Finding the Fourth Proportional to 65,492,844.30, 91,824,351.30 and 65,492,844.30

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Solution

The fourth proportional to 65,492,844.30, 91,824,351.30 and 65,492,844.30 is: 91,824,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,492,844.30 : 91,824,351.30 = 65,492,844.30 : x
  2. Step 2: Convert to fraction form
    65,492,844.30/91,824,351.30 = 65,492,844.30/x
  3. Step 3: Cross multiply
    65,492,844.30x = 91,824,351.30 × 65,492,844.30
  4. Step 4: Simplify right side
    65,492,844.30x = 6,013,837,942,639,402
  5. Step 5: Solve for x
    x = 6,013,837,942,639,402/65,492,844.30
  6. Step 6: Final answer
    x = 91,824,351.30

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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.