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Finding the Fourth Proportional to 167,425.56, 230,858.91 and 129,098.34

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Solution

The fourth proportional to 167,425.56, 230,858.91 and 129,098.34 is: 178,010.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,425.56 : 230,858.91 = 129,098.34 : x
  2. Step 2: Convert to fraction form
    167,425.56/230,858.91 = 129,098.34/x
  3. Step 3: Cross multiply
    167,425.56x = 230,858.91 × 129,098.34
  4. Step 4: Simplify right side
    167,425.56x = 29,803,502,055.21
  5. Step 5: Solve for x
    x = 29,803,502,055.21/167,425.56
  6. Step 6: Final answer
    x = 178,010.47

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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.