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Finding the Fourth Proportional to 122,328.95, 183,493.43 and 52,344.95

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Solution

The fourth proportional to 122,328.95, 183,493.43 and 52,344.95 is: 78,517.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,328.95 : 183,493.43 = 52,344.95 : x
  2. Step 2: Convert to fraction form
    122,328.95/183,493.43 = 52,344.95/x
  3. Step 3: Cross multiply
    122,328.95x = 183,493.43 × 52,344.95
  4. Step 4: Simplify right side
    122,328.95x = 9,604,954,156.95
  5. Step 5: Solve for x
    x = 9,604,954,156.95/122,328.95
  6. Step 6: Final answer
    x = 78,517.43

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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.