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Finding the Fourth Proportional to 200,118.84, 276,179.00 and 114,079.88

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Solution

The fourth proportional to 200,118.84, 276,179.00 and 114,079.88 is: 157,438.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,118.84 : 276,179.00 = 114,079.88 : x
  2. Step 2: Convert to fraction form
    200,118.84/276,179.00 = 114,079.88/x
  3. Step 3: Cross multiply
    200,118.84x = 276,179.00 × 114,079.88
  4. Step 4: Simplify right side
    200,118.84x = 31,506,465,227.23
  5. Step 5: Solve for x
    x = 31,506,465,227.23/200,118.84
  6. Step 6: Final answer
    x = 157,438.78

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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.