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Finding the Fourth Proportional to 200,566.40, 276,622.18 and 170,451.40

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Solution

The fourth proportional to 200,566.40, 276,622.18 and 170,451.40 is: 235,087.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,566.40 : 276,622.18 = 170,451.40 : x
  2. Step 2: Convert to fraction form
    200,566.40/276,622.18 = 170,451.40/x
  3. Step 3: Cross multiply
    200,566.40x = 276,622.18 × 170,451.40
  4. Step 4: Simplify right side
    200,566.40x = 47,150,637,852.05
  5. Step 5: Solve for x
    x = 47,150,637,852.05/200,566.40
  6. Step 6: Final answer
    x = 235,087.42

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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.