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Finding the Fourth Proportional to 244,122, 366,185.16 and 86,377.20

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Solution

The fourth proportional to 244,122, 366,185.16 and 86,377.20 is: 129,566.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,122 : 366,185.16 = 86,377.20 : x
  2. Step 2: Convert to fraction form
    244,122/366,185.16 = 86,377.20/x
  3. Step 3: Cross multiply
    244,122x = 366,185.16 × 86,377.20
  4. Step 4: Simplify right side
    244,122x = 31,630,048,802.35
  5. Step 5: Solve for x
    x = 31,630,048,802.35/244,122
  6. Step 6: Final answer
    x = 129,566.56

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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.