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Finding the Fourth Proportional to 173,419.88, 259,857.66 and 103,260.92

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Solution

The fourth proportional to 173,419.88, 259,857.66 and 103,260.92 is: 154,729.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,419.88 : 259,857.66 = 103,260.92 : x
  2. Step 2: Convert to fraction form
    173,419.88/259,857.66 = 103,260.92/x
  3. Step 3: Cross multiply
    173,419.88x = 259,857.66 × 103,260.92
  4. Step 4: Simplify right side
    173,419.88x = 26,833,141,040.65
  5. Step 5: Solve for x
    x = 26,833,141,040.65/173,419.88
  6. Step 6: Final answer
    x = 154,729.33

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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.