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Finding the Fourth Proportional to 78,552.70, 117,632.22 and 62,002.60

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Solution

The fourth proportional to 78,552.70, 117,632.22 and 62,002.60 is: 92,848.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,552.70 : 117,632.22 = 62,002.60 : x
  2. Step 2: Convert to fraction form
    78,552.70/117,632.22 = 62,002.60/x
  3. Step 3: Cross multiply
    78,552.70x = 117,632.22 × 62,002.60
  4. Step 4: Simplify right side
    78,552.70x = 7,293,503,483.77
  5. Step 5: Solve for x
    x = 7,293,503,483.77/78,552.70
  6. Step 6: Final answer
    x = 92,848.54

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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.