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Finding the Fourth Proportional to 73,491,428.80, 110,237,143.20 and 25,024,009.60

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Solution

The fourth proportional to 73,491,428.80, 110,237,143.20 and 25,024,009.60 is: 37,536,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,491,428.80 : 110,237,143.20 = 25,024,009.60 : x
  2. Step 2: Convert to fraction form
    73,491,428.80/110,237,143.20 = 25,024,009.60/x
  3. Step 3: Cross multiply
    73,491,428.80x = 110,237,143.20 × 25,024,009.60
  4. Step 4: Simplify right side
    73,491,428.80x = 2,758,575,329,713,375
  5. Step 5: Solve for x
    x = 2,758,575,329,713,375/73,491,428.80
  6. Step 6: Final answer
    x = 37,536,014.40

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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.