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Finding the Fourth Proportional to 81,950.56, 122,946.96 and 44,501.02

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Solution

The fourth proportional to 81,950.56, 122,946.96 and 44,501.02 is: 66,763.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,950.56 : 122,946.96 = 44,501.02 : x
  2. Step 2: Convert to fraction form
    81,950.56/122,946.96 = 44,501.02/x
  3. Step 3: Cross multiply
    81,950.56x = 122,946.96 × 44,501.02
  4. Step 4: Simplify right side
    81,950.56x = 5,471,264,985.41
  5. Step 5: Solve for x
    x = 5,471,264,985.41/81,950.56
  6. Step 6: Final answer
    x = 66,763.00

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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.