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Finding the Fourth Proportional to 80,404,574.12, 110,978,020.50 and 45,617,627.24

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Solution

The fourth proportional to 80,404,574.12, 110,978,020.50 and 45,617,627.24 is: 62,963,507.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,404,574.12 : 110,978,020.50 = 45,617,627.24 : x
  2. Step 2: Convert to fraction form
    80,404,574.12/110,978,020.50 = 45,617,627.24/x
  3. Step 3: Cross multiply
    80,404,574.12x = 110,978,020.50 × 45,617,627.24
  4. Step 4: Simplify right side
    80,404,574.12x = 5,062,553,971,002,079
  5. Step 5: Solve for x
    x = 5,062,553,971,002,079/80,404,574.12
  6. Step 6: Final answer
    x = 62,963,507.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.