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Finding the Fourth Proportional to 237,264.21, 355,885.94 and 68,780.87

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Solution

The fourth proportional to 237,264.21, 355,885.94 and 68,780.87 is: 103,168.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,264.21 : 355,885.94 = 68,780.87 : x
  2. Step 2: Convert to fraction form
    237,264.21/355,885.94 = 68,780.87/x
  3. Step 3: Cross multiply
    237,264.21x = 355,885.94 × 68,780.87
  4. Step 4: Simplify right side
    237,264.21x = 24,478,142,450.63
  5. Step 5: Solve for x
    x = 24,478,142,450.63/237,264.21
  6. Step 6: Final answer
    x = 103,168.29

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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.