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Finding the Fourth Proportional to 374,782.92, 562,213.74 and 122,083.10

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Solution

The fourth proportional to 374,782.92, 562,213.74 and 122,083.10 is: 183,137.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,782.92 : 562,213.74 = 122,083.10 : x
  2. Step 2: Convert to fraction form
    374,782.92/562,213.74 = 122,083.10/x
  3. Step 3: Cross multiply
    374,782.92x = 562,213.74 × 122,083.10
  4. Step 4: Simplify right side
    374,782.92x = 68,636,796,241.79
  5. Step 5: Solve for x
    x = 68,636,796,241.79/374,782.92
  6. Step 6: Final answer
    x = 183,137.47

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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.