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Finding the Fourth Proportional to 268,900.88, 403,351.20 and 110,955.68

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Solution

The fourth proportional to 268,900.88, 403,351.20 and 110,955.68 is: 166,433.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,900.88 : 403,351.20 = 110,955.68 : x
  2. Step 2: Convert to fraction form
    268,900.88/403,351.20 = 110,955.68/x
  3. Step 3: Cross multiply
    268,900.88x = 403,351.20 × 110,955.68
  4. Step 4: Simplify right side
    268,900.88x = 44,754,106,674.82
  5. Step 5: Solve for x
    x = 44,754,106,674.82/268,900.88
  6. Step 6: Final answer
    x = 166,433.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.