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Finding the Fourth Proportional to 224,201,893.20, 336,302,839.80 and 120,889,762.80

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Solution

The fourth proportional to 224,201,893.20, 336,302,839.80 and 120,889,762.80 is: 181,334,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,201,893.20 : 336,302,839.80 = 120,889,762.80 : x
  2. Step 2: Convert to fraction form
    224,201,893.20/336,302,839.80 = 120,889,762.80/x
  3. Step 3: Cross multiply
    224,201,893.20x = 336,302,839.80 × 120,889,762.80
  4. Step 4: Simplify right side
    224,201,893.20x = 40,655,570,532,388,400
  5. Step 5: Solve for x
    x = 40,655,570,532,388,400/224,201,893.20
  6. Step 6: Final answer
    x = 181,334,644.20

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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.