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Finding the Fourth Proportional to 227,136,274.40, 340,704,411.60 and 124,860,792.80

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Solution

The fourth proportional to 227,136,274.40, 340,704,411.60 and 124,860,792.80 is: 187,291,189.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,136,274.40 : 340,704,411.60 = 124,860,792.80 : x
  2. Step 2: Convert to fraction form
    227,136,274.40/340,704,411.60 = 124,860,792.80/x
  3. Step 3: Cross multiply
    227,136,274.40x = 340,704,411.60 × 124,860,792.80
  4. Step 4: Simplify right side
    227,136,274.40x = 42,540,622,942,833,520
  5. Step 5: Solve for x
    x = 42,540,622,942,833,520/227,136,274.40
  6. Step 6: Final answer
    x = 187,291,189.20

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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.