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Finding the Fourth Proportional to 86,763.83, 119,733.24 and 48,522.95

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Solution

The fourth proportional to 86,763.83, 119,733.24 and 48,522.95 is: 66,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,763.83 : 119,733.24 = 48,522.95 : x
  2. Step 2: Convert to fraction form
    86,763.83/119,733.24 = 48,522.95/x
  3. Step 3: Cross multiply
    86,763.83x = 119,733.24 × 48,522.95
  4. Step 4: Simplify right side
    86,763.83x = 5,809,810,017.86
  5. Step 5: Solve for x
    x = 5,809,810,017.86/86,763.83
  6. Step 6: Final answer
    x = 66,961.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.