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Finding the Fourth Proportional to 200,452.34, 276,612.35 and 109,790.25

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Solution

The fourth proportional to 200,452.34, 276,612.35 and 109,790.25 is: 151,504.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,452.34 : 276,612.35 = 109,790.25 : x
  2. Step 2: Convert to fraction form
    200,452.34/276,612.35 = 109,790.25/x
  3. Step 3: Cross multiply
    200,452.34x = 276,612.35 × 109,790.25
  4. Step 4: Simplify right side
    200,452.34x = 30,369,338,510.64
  5. Step 5: Solve for x
    x = 30,369,338,510.64/200,452.34
  6. Step 6: Final answer
    x = 151,504.04

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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.