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Finding the Fourth Proportional to 125,650.65, 188,205.32 and 58,990.89

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Solution

The fourth proportional to 125,650.65, 188,205.32 and 58,990.89 is: 88,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,650.65 : 188,205.32 = 58,990.89 : x
  2. Step 2: Convert to fraction form
    125,650.65/188,205.32 = 58,990.89/x
  3. Step 3: Cross multiply
    125,650.65x = 188,205.32 × 58,990.89
  4. Step 4: Simplify right side
    125,650.65x = 11,102,398,958.22
  5. Step 5: Solve for x
    x = 11,102,398,958.22/125,650.65
  6. Step 6: Final answer
    x = 88,359.27

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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.