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Finding the Fourth Proportional to 151,558.56, 209,240.40 and 134,745

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Solution

The fourth proportional to 151,558.56, 209,240.40 and 134,745 is: 186,027.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,558.56 : 209,240.40 = 134,745 : x
  2. Step 2: Convert to fraction form
    151,558.56/209,240.40 = 134,745/x
  3. Step 3: Cross multiply
    151,558.56x = 209,240.40 × 134,745
  4. Step 4: Simplify right side
    151,558.56x = 28,194,097,698
  5. Step 5: Solve for x
    x = 28,194,097,698/151,558.56
  6. Step 6: Final answer
    x = 186,027.75

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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.