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Finding the Fourth Proportional to 200,427.58, 276,635.58 and 124,961.50

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Solution

The fourth proportional to 200,427.58, 276,635.58 and 124,961.50 is: 172,475.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,427.58 : 276,635.58 = 124,961.50 : x
  2. Step 2: Convert to fraction form
    200,427.58/276,635.58 = 124,961.50/x
  3. Step 3: Cross multiply
    200,427.58x = 276,635.58 × 124,961.50
  4. Step 4: Simplify right side
    200,427.58x = 34,568,797,030.17
  5. Step 5: Solve for x
    x = 34,568,797,030.17/200,427.58
  6. Step 6: Final answer
    x = 172,475.25

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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.