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Finding the Fourth Proportional to 44,296,943.70, 66,445,415.55 and 20,362,415.70

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Solution

The fourth proportional to 44,296,943.70, 66,445,415.55 and 20,362,415.70 is: 30,543,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,296,943.70 : 66,445,415.55 = 20,362,415.70 : x
  2. Step 2: Convert to fraction form
    44,296,943.70/66,445,415.55 = 20,362,415.70/x
  3. Step 3: Cross multiply
    44,296,943.70x = 66,445,415.55 × 20,362,415.70
  4. Step 4: Simplify right side
    44,296,943.70x = 1,352,989,172,788,344
  5. Step 5: Solve for x
    x = 1,352,989,172,788,344/44,296,943.70
  6. Step 6: Final answer
    x = 30,543,623.55

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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.