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Finding the Fourth Proportional to 200,063.34, 274,932.68 and 190,812.06

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Solution

The fourth proportional to 200,063.34, 274,932.68 and 190,812.06 is: 262,219.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,063.34 : 274,932.68 = 190,812.06 : x
  2. Step 2: Convert to fraction form
    200,063.34/274,932.68 = 190,812.06/x
  3. Step 3: Cross multiply
    200,063.34x = 274,932.68 × 190,812.06
  4. Step 4: Simplify right side
    200,063.34x = 52,460,470,078.06
  5. Step 5: Solve for x
    x = 52,460,470,078.06/200,063.34
  6. Step 6: Final answer
    x = 262,219.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.