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Finding the Fourth Proportional to 125,459.54, 188,175.24 and 36,713.72

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Solution

The fourth proportional to 125,459.54, 188,175.24 and 36,713.72 is: 55,066.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,459.54 : 188,175.24 = 36,713.72 : x
  2. Step 2: Convert to fraction form
    125,459.54/188,175.24 = 36,713.72/x
  3. Step 3: Cross multiply
    125,459.54x = 188,175.24 × 36,713.72
  4. Step 4: Simplify right side
    125,459.54x = 6,908,613,072.29
  5. Step 5: Solve for x
    x = 6,908,613,072.29/125,459.54
  6. Step 6: Final answer
    x = 55,066.46

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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.