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Finding the Fourth Proportional to 200,654.27, 276,931.07 and 124,197.76

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Solution

The fourth proportional to 200,654.27, 276,931.07 and 124,197.76 is: 171,410.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,654.27 : 276,931.07 = 124,197.76 : x
  2. Step 2: Convert to fraction form
    200,654.27/276,931.07 = 124,197.76/x
  3. Step 3: Cross multiply
    200,654.27x = 276,931.07 × 124,197.76
  4. Step 4: Simplify right side
    200,654.27x = 34,394,218,568.40
  5. Step 5: Solve for x
    x = 34,394,218,568.40/200,654.27
  6. Step 6: Final answer
    x = 171,410.35

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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.