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Finding the Fourth Proportional to 169,776.50, 234,298.86 and 94,325

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Solution

The fourth proportional to 169,776.50, 234,298.86 and 94,325 is: 130,172.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,776.50 : 234,298.86 = 94,325 : x
  2. Step 2: Convert to fraction form
    169,776.50/234,298.86 = 94,325/x
  3. Step 3: Cross multiply
    169,776.50x = 234,298.86 × 94,325
  4. Step 4: Simplify right side
    169,776.50x = 22,100,239,969.50
  5. Step 5: Solve for x
    x = 22,100,239,969.50/169,776.50
  6. Step 6: Final answer
    x = 130,172.55

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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.