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Finding the Fourth Proportional to 235,394.58, 324,840.69 and 127,967.31

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Solution

The fourth proportional to 235,394.58, 324,840.69 and 127,967.31 is: 176,592.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,394.58 : 324,840.69 = 127,967.31 : x
  2. Step 2: Convert to fraction form
    235,394.58/324,840.69 = 127,967.31/x
  3. Step 3: Cross multiply
    235,394.58x = 324,840.69 × 127,967.31
  4. Step 4: Simplify right side
    235,394.58x = 41,568,989,450.11
  5. Step 5: Solve for x
    x = 41,568,989,450.11/235,394.58
  6. Step 6: Final answer
    x = 176,592.81

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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.