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Finding the Fourth Proportional to 149,920.95, 224,881.21 and 39,112.95

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Solution

The fourth proportional to 149,920.95, 224,881.21 and 39,112.95 is: 58,669.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,920.95 : 224,881.21 = 39,112.95 : x
  2. Step 2: Convert to fraction form
    149,920.95/224,881.21 = 39,112.95/x
  3. Step 3: Cross multiply
    149,920.95x = 224,881.21 × 39,112.95
  4. Step 4: Simplify right side
    149,920.95x = 8,795,767,522.67
  5. Step 5: Solve for x
    x = 8,795,767,522.67/149,920.95
  6. Step 6: Final answer
    x = 58,669.37

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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.