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Finding the Fourth Proportional to 183,722,605.30, 275,583,907.95 and 81,486,642.93

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Solution

The fourth proportional to 183,722,605.30, 275,583,907.95 and 81,486,642.93 is: 122,229,964.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,722,605.30 : 275,583,907.95 = 81,486,642.93 : x
  2. Step 2: Convert to fraction form
    183,722,605.30/275,583,907.95 = 81,486,642.93/x
  3. Step 3: Cross multiply
    183,722,605.30x = 275,583,907.95 × 81,486,642.93
  4. Step 4: Simplify right side
    183,722,605.30x = 22,456,407,504,375,640
  5. Step 5: Solve for x
    x = 22,456,407,504,375,640/183,722,605.30
  6. Step 6: Final answer
    x = 122,229,964.40

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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.