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Finding the Fourth Proportional to 73,698.70, 101,704.55 and 41,869.35

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Solution

The fourth proportional to 73,698.70, 101,704.55 and 41,869.35 is: 57,779.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,698.70 : 101,704.55 = 41,869.35 : x
  2. Step 2: Convert to fraction form
    73,698.70/101,704.55 = 41,869.35/x
  3. Step 3: Cross multiply
    73,698.70x = 101,704.55 × 41,869.35
  4. Step 4: Simplify right side
    73,698.70x = 4,258,303,258.42
  5. Step 5: Solve for x
    x = 4,258,303,258.42/73,698.70
  6. Step 6: Final answer
    x = 57,779.89

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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.