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Finding the Fourth Proportional to 253,735.88, 350,155.58 and 153,133.88

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Solution

The fourth proportional to 253,735.88, 350,155.58 and 153,133.88 is: 211,324.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,735.88 : 350,155.58 = 153,133.88 : x
  2. Step 2: Convert to fraction form
    253,735.88/350,155.58 = 153,133.88/x
  3. Step 3: Cross multiply
    253,735.88x = 350,155.58 × 153,133.88
  4. Step 4: Simplify right side
    253,735.88x = 53,620,680,052.60
  5. Step 5: Solve for x
    x = 53,620,680,052.60/253,735.88
  6. Step 6: Final answer
    x = 211,324.79

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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.