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Finding the Fourth Proportional to 200,465.51, 276,627.83 and 109,806.80

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Solution

The fourth proportional to 200,465.51, 276,627.83 and 109,806.80 is: 151,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,465.51 : 276,627.83 = 109,806.80 : x
  2. Step 2: Convert to fraction form
    200,465.51/276,627.83 = 109,806.80/x
  3. Step 3: Cross multiply
    200,465.51x = 276,627.83 × 109,806.80
  4. Step 4: Simplify right side
    200,465.51x = 30,375,614,871.07
  5. Step 5: Solve for x
    x = 30,375,614,871.07/200,465.51
  6. Step 6: Final answer
    x = 151,525.40

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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.