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Finding the Fourth Proportional to 238,558.56, 357,896.48 and 118,672.08

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Solution

The fourth proportional to 238,558.56, 357,896.48 and 118,672.08 is: 178,037.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,558.56 : 357,896.48 = 118,672.08 : x
  2. Step 2: Convert to fraction form
    238,558.56/357,896.48 = 118,672.08/x
  3. Step 3: Cross multiply
    238,558.56x = 357,896.48 × 118,672.08
  4. Step 4: Simplify right side
    238,558.56x = 42,472,319,706.28
  5. Step 5: Solve for x
    x = 42,472,319,706.28/238,558.56
  6. Step 6: Final answer
    x = 178,037.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.