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Finding the Fourth Proportional to 232,072.16, 320,235.50 and 136,573.16

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Solution

The fourth proportional to 232,072.16, 320,235.50 and 136,573.16 is: 188,456.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,072.16 : 320,235.50 = 136,573.16 : x
  2. Step 2: Convert to fraction form
    232,072.16/320,235.50 = 136,573.16/x
  3. Step 3: Cross multiply
    232,072.16x = 320,235.50 × 136,573.16
  4. Step 4: Simplify right side
    232,072.16x = 43,735,574,179.18
  5. Step 5: Solve for x
    x = 43,735,574,179.18/232,072.16
  6. Step 6: Final answer
    x = 188,456.79

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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.