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Finding the Fourth Proportional to 122,207.52, 183,311.30 and 48,335.52

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Solution

The fourth proportional to 122,207.52, 183,311.30 and 48,335.52 is: 72,503.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,207.52 : 183,311.30 = 48,335.52 : x
  2. Step 2: Convert to fraction form
    122,207.52/183,311.30 = 48,335.52/x
  3. Step 3: Cross multiply
    122,207.52x = 183,311.30 × 48,335.52
  4. Step 4: Simplify right side
    122,207.52x = 8,860,447,007.38
  5. Step 5: Solve for x
    x = 8,860,447,007.38/122,207.52
  6. Step 6: Final answer
    x = 72,503.29

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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.