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Finding the Fourth Proportional to 200,195.48, 276,265.50 and 109,551.08

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Solution

The fourth proportional to 200,195.48, 276,265.50 and 109,551.08 is: 151,178.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,195.48 : 276,265.50 = 109,551.08 : x
  2. Step 2: Convert to fraction form
    200,195.48/276,265.50 = 109,551.08/x
  3. Step 3: Cross multiply
    200,195.48x = 276,265.50 × 109,551.08
  4. Step 4: Simplify right side
    200,195.48x = 30,265,183,891.74
  5. Step 5: Solve for x
    x = 30,265,183,891.74/200,195.48
  6. Step 6: Final answer
    x = 151,178.16

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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.