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Finding the Fourth Proportional to 125,579.16, 188,384.22 and 41,317.65

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Solution

The fourth proportional to 125,579.16, 188,384.22 and 41,317.65 is: 61,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,579.16 : 188,384.22 = 41,317.65 : x
  2. Step 2: Convert to fraction form
    125,579.16/188,384.22 = 41,317.65/x
  3. Step 3: Cross multiply
    125,579.16x = 188,384.22 × 41,317.65
  4. Step 4: Simplify right side
    125,579.16x = 7,783,593,267.48
  5. Step 5: Solve for x
    x = 7,783,593,267.48/125,579.16
  6. Step 6: Final answer
    x = 61,981.57

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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.