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Finding the Fourth Proportional to 200,454.70, 276,522.63 and 123,949.34

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Solution

The fourth proportional to 200,454.70, 276,522.63 and 123,949.34 is: 170,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,454.70 : 276,522.63 = 123,949.34 : x
  2. Step 2: Convert to fraction form
    200,454.70/276,522.63 = 123,949.34/x
  3. Step 3: Cross multiply
    200,454.70x = 276,522.63 × 123,949.34
  4. Step 4: Simplify right side
    200,454.70x = 34,274,796,673.10
  5. Step 5: Solve for x
    x = 34,274,796,673.10/200,454.70
  6. Step 6: Final answer
    x = 170,985.25

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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.