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Finding the Fourth Proportional to 100,980.96, 151,499.49 and 44,059.83

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Solution

The fourth proportional to 100,980.96, 151,499.49 and 44,059.83 is: 66,101.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,980.96 : 151,499.49 = 44,059.83 : x
  2. Step 2: Convert to fraction form
    100,980.96/151,499.49 = 44,059.83/x
  3. Step 3: Cross multiply
    100,980.96x = 151,499.49 × 44,059.83
  4. Step 4: Simplify right side
    100,980.96x = 6,675,041,774.49
  5. Step 5: Solve for x
    x = 6,675,041,774.49/100,980.96
  6. Step 6: Final answer
    x = 66,101.98

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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.