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Finding the Fourth Proportional to 200,457.03, 276,630.81 and 109,816.28

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Solution

The fourth proportional to 200,457.03, 276,630.81 and 109,816.28 is: 151,546.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,457.03 : 276,630.81 = 109,816.28 : x
  2. Step 2: Convert to fraction form
    200,457.03/276,630.81 = 109,816.28/x
  3. Step 3: Cross multiply
    200,457.03x = 276,630.81 × 109,816.28
  4. Step 4: Simplify right side
    200,457.03x = 30,378,565,104.43
  5. Step 5: Solve for x
    x = 30,378,565,104.43/200,457.03
  6. Step 6: Final answer
    x = 151,546.52

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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.