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Finding the Fourth Proportional to 125,741.98, 188,616.30 and 36,998.38

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Solution

The fourth proportional to 125,741.98, 188,616.30 and 36,998.38 is: 55,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,741.98 : 188,616.30 = 36,998.38 : x
  2. Step 2: Convert to fraction form
    125,741.98/188,616.30 = 36,998.38/x
  3. Step 3: Cross multiply
    125,741.98x = 188,616.30 × 36,998.38
  4. Step 4: Simplify right side
    125,741.98x = 6,978,497,541.59
  5. Step 5: Solve for x
    x = 6,978,497,541.59/125,741.98
  6. Step 6: Final answer
    x = 55,498.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.