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Finding the Fourth Proportional to 365,424.41, 548,231.18 and 112,699.31

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Solution

The fourth proportional to 365,424.41, 548,231.18 and 112,699.31 is: 169,078.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,424.41 : 548,231.18 = 112,699.31 : x
  2. Step 2: Convert to fraction form
    365,424.41/548,231.18 = 112,699.31/x
  3. Step 3: Cross multiply
    365,424.41x = 548,231.18 × 112,699.31
  4. Step 4: Simplify right side
    365,424.41x = 61,785,272,401.83
  5. Step 5: Solve for x
    x = 61,785,272,401.83/365,424.41
  6. Step 6: Final answer
    x = 169,078.12

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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.