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Finding the Fourth Proportional to 169,580.70, 234,022.26 and 105,955.40

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Solution

The fourth proportional to 169,580.70, 234,022.26 and 105,955.40 is: 146,219.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,580.70 : 234,022.26 = 105,955.40 : x
  2. Step 2: Convert to fraction form
    169,580.70/234,022.26 = 105,955.40/x
  3. Step 3: Cross multiply
    169,580.70x = 234,022.26 × 105,955.40
  4. Step 4: Simplify right side
    169,580.70x = 24,795,922,167.20
  5. Step 5: Solve for x
    x = 24,795,922,167.20/169,580.70
  6. Step 6: Final answer
    x = 146,219.01

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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.