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Finding the Fourth Proportional to 107,999.40, 162,071.40 and 44,819.58

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Solution

The fourth proportional to 107,999.40, 162,071.40 and 44,819.58 is: 67,259.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,999.40 : 162,071.40 = 44,819.58 : x
  2. Step 2: Convert to fraction form
    107,999.40/162,071.40 = 44,819.58/x
  3. Step 3: Cross multiply
    107,999.40x = 162,071.40 × 44,819.58
  4. Step 4: Simplify right side
    107,999.40x = 7,263,972,078.01
  5. Step 5: Solve for x
    x = 7,263,972,078.01/107,999.40
  6. Step 6: Final answer
    x = 67,259.37

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1.5x scale

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.