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Finding the Fourth Proportional to 235,396.58, 324,843.44 and 127,969.32

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Solution

The fourth proportional to 235,396.58, 324,843.44 and 127,969.32 is: 176,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,396.58 : 324,843.44 = 127,969.32 : x
  2. Step 2: Convert to fraction form
    235,396.58/324,843.44 = 127,969.32/x
  3. Step 3: Cross multiply
    235,396.58x = 324,843.44 × 127,969.32
  4. Step 4: Simplify right side
    235,396.58x = 41,569,993,483.41
  5. Step 5: Solve for x
    x = 41,569,993,483.41/235,396.58
  6. Step 6: Final answer
    x = 176,595.57

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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.