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Finding the Fourth Proportional to 250,059.60, 345,090.48 and 136,882.32

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Solution

The fourth proportional to 250,059.60, 345,090.48 and 136,882.32 is: 188,902.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,059.60 : 345,090.48 = 136,882.32 : x
  2. Step 2: Convert to fraction form
    250,059.60/345,090.48 = 136,882.32/x
  3. Step 3: Cross multiply
    250,059.60x = 345,090.48 × 136,882.32
  4. Step 4: Simplify right side
    250,059.60x = 47,236,785,512.31
  5. Step 5: Solve for x
    x = 47,236,785,512.31/250,059.60
  6. Step 6: Final answer
    x = 188,902.11

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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.