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Finding the Fourth Proportional to 256,596.75, 384,799.41 and 88,069.26

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Solution

The fourth proportional to 256,596.75, 384,799.41 and 88,069.26 is: 132,071.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,596.75 : 384,799.41 = 88,069.26 : x
  2. Step 2: Convert to fraction form
    256,596.75/384,799.41 = 88,069.26/x
  3. Step 3: Cross multiply
    256,596.75x = 384,799.41 × 88,069.26
  4. Step 4: Simplify right side
    256,596.75x = 33,888,999,287.14
  5. Step 5: Solve for x
    x = 33,888,999,287.14/256,596.75
  6. Step 6: Final answer
    x = 132,071.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.