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Finding the Fourth Proportional to 77,817.64, 116,739.75 and 35,701.33

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Solution

The fourth proportional to 77,817.64, 116,739.75 and 35,701.33 is: 53,558.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,817.64 : 116,739.75 = 35,701.33 : x
  2. Step 2: Convert to fraction form
    77,817.64/116,739.75 = 35,701.33/x
  3. Step 3: Cross multiply
    77,817.64x = 116,739.75 × 35,701.33
  4. Step 4: Simplify right side
    77,817.64x = 4,167,764,098.76
  5. Step 5: Solve for x
    x = 4,167,764,098.76/77,817.64
  6. Step 6: Final answer
    x = 53,558.09

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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.