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Finding the Fourth Proportional to 250,081.48, 345,112.46 and 136,904.23

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Solution

The fourth proportional to 250,081.48, 345,112.46 and 136,904.23 is: 188,927.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,081.48 : 345,112.46 = 136,904.23 : x
  2. Step 2: Convert to fraction form
    250,081.48/345,112.46 = 136,904.23/x
  3. Step 3: Cross multiply
    250,081.48x = 345,112.46 × 136,904.23
  4. Step 4: Simplify right side
    250,081.48x = 47,247,354,915.18
  5. Step 5: Solve for x
    x = 47,247,354,915.18/250,081.48
  6. Step 6: Final answer
    x = 188,927.84

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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.