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Finding the Fourth Proportional to 236,010.34, 325,692.57 and 128,580.34

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Solution

The fourth proportional to 236,010.34, 325,692.57 and 128,580.34 is: 177,439.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,010.34 : 325,692.57 = 128,580.34 : x
  2. Step 2: Convert to fraction form
    236,010.34/325,692.57 = 128,580.34/x
  3. Step 3: Cross multiply
    236,010.34x = 325,692.57 × 128,580.34
  4. Step 4: Simplify right side
    236,010.34x = 41,877,661,386.07
  5. Step 5: Solve for x
    x = 41,877,661,386.07/236,010.34
  6. Step 6: Final answer
    x = 177,439.94

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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.