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Finding the Fourth Proportional to 268,161.60, 369,759.74 and 171,238.01

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Solution

The fourth proportional to 268,161.60, 369,759.74 and 171,238.01 is: 236,114.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,161.60 : 369,759.74 = 171,238.01 : x
  2. Step 2: Convert to fraction form
    268,161.60/369,759.74 = 171,238.01/x
  3. Step 3: Cross multiply
    268,161.60x = 369,759.74 × 171,238.01
  4. Step 4: Simplify right side
    268,161.60x = 63,316,919,350.73
  5. Step 5: Solve for x
    x = 63,316,919,350.73/268,161.60
  6. Step 6: Final answer
    x = 236,114.79

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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.