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Finding the Fourth Proportional to 232,072.65, 320,236.20 and 136,573.65

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Solution

The fourth proportional to 232,072.65, 320,236.20 and 136,573.65 is: 188,457.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,072.65 : 320,236.20 = 136,573.65 : x
  2. Step 2: Convert to fraction form
    232,072.65/320,236.20 = 136,573.65/x
  3. Step 3: Cross multiply
    232,072.65x = 320,236.20 × 136,573.65
  4. Step 4: Simplify right side
    232,072.65x = 43,735,826,696.13
  5. Step 5: Solve for x
    x = 43,735,826,696.13/232,072.65
  6. Step 6: Final answer
    x = 188,457.48

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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.