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Finding the Fourth Proportional to 188,093.88, 259,559.64 and 107,510.76

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Solution

The fourth proportional to 188,093.88, 259,559.64 and 107,510.76 is: 148,359.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,093.88 : 259,559.64 = 107,510.76 : x
  2. Step 2: Convert to fraction form
    188,093.88/259,559.64 = 107,510.76/x
  3. Step 3: Cross multiply
    188,093.88x = 259,559.64 × 107,510.76
  4. Step 4: Simplify right side
    188,093.88x = 27,905,454,161.73
  5. Step 5: Solve for x
    x = 27,905,454,161.73/188,093.88
  6. Step 6: Final answer
    x = 148,359.18

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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.