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Finding the Fourth Proportional to 114,486.96, 171,771.30 and 69,599.64

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Solution

The fourth proportional to 114,486.96, 171,771.30 and 69,599.64 is: 104,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,486.96 : 171,771.30 = 69,599.64 : x
  2. Step 2: Convert to fraction form
    114,486.96/171,771.30 = 69,599.64/x
  3. Step 3: Cross multiply
    114,486.96x = 171,771.30 × 69,599.64
  4. Step 4: Simplify right side
    114,486.96x = 11,955,220,642.33
  5. Step 5: Solve for x
    x = 11,955,220,642.33/114,486.96
  6. Step 6: Final answer
    x = 104,424.30

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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.