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Finding the Fourth Proportional to 238,409.54, 357,558.88 and 88,720.33

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Solution

The fourth proportional to 238,409.54, 357,558.88 and 88,720.33 is: 133,059.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,409.54 : 357,558.88 = 88,720.33 : x
  2. Step 2: Convert to fraction form
    238,409.54/357,558.88 = 88,720.33/x
  3. Step 3: Cross multiply
    238,409.54x = 357,558.88 × 88,720.33
  4. Step 4: Simplify right side
    238,409.54x = 31,722,739,596.63
  5. Step 5: Solve for x
    x = 31,722,739,596.63/238,409.54
  6. Step 6: Final answer
    x = 133,059.86

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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.