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Finding the Fourth Proportional to 195,698.40, 293,288.40 and 173,407.20

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Solution

The fourth proportional to 195,698.40, 293,288.40 and 173,407.20 is: 259,881.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,698.40 : 293,288.40 = 173,407.20 : x
  2. Step 2: Convert to fraction form
    195,698.40/293,288.40 = 173,407.20/x
  3. Step 3: Cross multiply
    195,698.40x = 293,288.40 × 173,407.20
  4. Step 4: Simplify right side
    195,698.40x = 50,858,320,236.48
  5. Step 5: Solve for x
    x = 50,858,320,236.48/195,698.40
  6. Step 6: Final answer
    x = 259,881.12

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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.