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Finding the Fourth Proportional to 64,926.36, 97,379.82 and 53,903.88

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Solution

The fourth proportional to 64,926.36, 97,379.82 and 53,903.88 is: 80,847.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,926.36 : 97,379.82 = 53,903.88 : x
  2. Step 2: Convert to fraction form
    64,926.36/97,379.82 = 53,903.88/x
  3. Step 3: Cross multiply
    64,926.36x = 97,379.82 × 53,903.88
  4. Step 4: Simplify right side
    64,926.36x = 5,249,150,131.70
  5. Step 5: Solve for x
    x = 5,249,150,131.70/64,926.36
  6. Step 6: Final answer
    x = 80,847.75

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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.