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Finding the Fourth Proportional to 58,226.65, 86,907.94 and 50,186.99

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Solution

The fourth proportional to 58,226.65, 86,907.94 and 50,186.99 is: 74,908.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,226.65 : 86,907.94 = 50,186.99 : x
  2. Step 2: Convert to fraction form
    58,226.65/86,907.94 = 50,186.99/x
  3. Step 3: Cross multiply
    58,226.65x = 86,907.94 × 50,186.99
  4. Step 4: Simplify right side
    58,226.65x = 4,361,648,007.50
  5. Step 5: Solve for x
    x = 4,361,648,007.50/58,226.65
  6. Step 6: Final answer
    x = 74,908.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.