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Finding the Fourth Proportional to 253,698.75, 350,104.28 and 153,096.75

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Solution

The fourth proportional to 253,698.75, 350,104.28 and 153,096.75 is: 211,273.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,698.75 : 350,104.28 = 153,096.75 : x
  2. Step 2: Convert to fraction form
    253,698.75/350,104.28 = 153,096.75/x
  3. Step 3: Cross multiply
    253,698.75x = 350,104.28 × 153,096.75
  4. Step 4: Simplify right side
    253,698.75x = 53,599,826,663.61
  5. Step 5: Solve for x
    x = 53,599,826,663.61/253,698.75
  6. Step 6: Final answer
    x = 211,273.52

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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.