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Finding the Fourth Proportional to 171,351.56, 236,042.64 and 145,776.02

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Solution

The fourth proportional to 171,351.56, 236,042.64 and 145,776.02 is: 200,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,351.56 : 236,042.64 = 145,776.02 : x
  2. Step 2: Convert to fraction form
    171,351.56/236,042.64 = 145,776.02/x
  3. Step 3: Cross multiply
    171,351.56x = 236,042.64 × 145,776.02
  4. Step 4: Simplify right side
    171,351.56x = 34,409,355,429.28
  5. Step 5: Solve for x
    x = 34,409,355,429.28/171,351.56
  6. Step 6: Final answer
    x = 200,811.45

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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.