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Finding the Fourth Proportional to 125,920.68, 188,835.66 and 41,665.29

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Solution

The fourth proportional to 125,920.68, 188,835.66 and 41,665.29 is: 62,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,920.68 : 188,835.66 = 41,665.29 : x
  2. Step 2: Convert to fraction form
    125,920.68/188,835.66 = 41,665.29/x
  3. Step 3: Cross multiply
    125,920.68x = 188,835.66 × 41,665.29
  4. Step 4: Simplify right side
    125,920.68x = 7,867,892,536.24
  5. Step 5: Solve for x
    x = 7,867,892,536.24/125,920.68
  6. Step 6: Final answer
    x = 62,482.93

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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.