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Finding the Fourth Proportional to 69,327.09, 104,048.96 and 64,953.09

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Solution

The fourth proportional to 69,327.09, 104,048.96 and 64,953.09 is: 97,484.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,327.09 : 104,048.96 = 64,953.09 : x
  2. Step 2: Convert to fraction form
    69,327.09/104,048.96 = 64,953.09/x
  3. Step 3: Cross multiply
    69,327.09x = 104,048.96 × 64,953.09
  4. Step 4: Simplify right side
    69,327.09x = 6,758,301,138.52
  5. Step 5: Solve for x
    x = 6,758,301,138.52/69,327.09
  6. Step 6: Final answer
    x = 97,484.28

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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.