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Finding the Fourth Proportional to 107,995.40, 162,065.40 and 44,815.58

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Solution

The fourth proportional to 107,995.40, 162,065.40 and 44,815.58 is: 67,253.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,995.40 : 162,065.40 = 44,815.58 : x
  2. Step 2: Convert to fraction form
    107,995.40/162,065.40 = 44,815.58/x
  3. Step 3: Cross multiply
    107,995.40x = 162,065.40 × 44,815.58
  4. Step 4: Simplify right side
    107,995.40x = 7,263,054,748.87
  5. Step 5: Solve for x
    x = 7,263,054,748.87/107,995.40
  6. Step 6: Final answer
    x = 67,253.37

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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.