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Finding the Fourth Proportional to 262,004.25, 392,992.59 and 84,511.29

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Solution

The fourth proportional to 262,004.25, 392,992.59 and 84,511.29 is: 126,762.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,004.25 : 392,992.59 = 84,511.29 : x
  2. Step 2: Convert to fraction form
    262,004.25/392,992.59 = 84,511.29/x
  3. Step 3: Cross multiply
    262,004.25x = 392,992.59 × 84,511.29
  4. Step 4: Simplify right side
    262,004.25x = 33,212,310,741.34
  5. Step 5: Solve for x
    x = 33,212,310,741.34/262,004.25
  6. Step 6: Final answer
    x = 126,762.49

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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.