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Finding the Fourth Proportional to 161,626.88, 242,477.06 and 49,317.16

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Solution

The fourth proportional to 161,626.88, 242,477.06 and 49,317.16 is: 73,986.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,626.88 : 242,477.06 = 49,317.16 : x
  2. Step 2: Convert to fraction form
    161,626.88/242,477.06 = 49,317.16/x
  3. Step 3: Cross multiply
    161,626.88x = 242,477.06 × 49,317.16
  4. Step 4: Simplify right side
    161,626.88x = 11,958,279,964.35
  5. Step 5: Solve for x
    x = 11,958,279,964.35/161,626.88
  6. Step 6: Final answer
    x = 73,986.95

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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.