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Finding the Fourth Proportional to 119,245.87, 164,558.76 and 68,258.32

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Solution

The fourth proportional to 119,245.87, 164,558.76 and 68,258.32 is: 94,196.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,245.87 : 164,558.76 = 68,258.32 : x
  2. Step 2: Convert to fraction form
    119,245.87/164,558.76 = 68,258.32/x
  3. Step 3: Cross multiply
    119,245.87x = 164,558.76 × 68,258.32
  4. Step 4: Simplify right side
    119,245.87x = 11,232,504,870.27
  5. Step 5: Solve for x
    x = 11,232,504,870.27/119,245.87
  6. Step 6: Final answer
    x = 94,196.17

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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.