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Finding the Fourth Proportional to 239,068.44, 329,914.44 and 131,638.22

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Solution

The fourth proportional to 239,068.44, 329,914.44 and 131,638.22 is: 181,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,068.44 : 329,914.44 = 131,638.22 : x
  2. Step 2: Convert to fraction form
    239,068.44/329,914.44 = 131,638.22/x
  3. Step 3: Cross multiply
    239,068.44x = 329,914.44 × 131,638.22
  4. Step 4: Simplify right side
    239,068.44x = 43,429,349,633.90
  5. Step 5: Solve for x
    x = 43,429,349,633.90/239,068.44
  6. Step 6: Final answer
    x = 181,660.74

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1.5x scale

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.