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Finding the Fourth Proportional to 216,447.48, 324,736.92 and 104,095.82

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Solution

The fourth proportional to 216,447.48, 324,736.92 and 104,095.82 is: 156,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,447.48 : 324,736.92 = 104,095.82 : x
  2. Step 2: Convert to fraction form
    216,447.48/324,736.92 = 104,095.82/x
  3. Step 3: Cross multiply
    216,447.48x = 324,736.92 × 104,095.82
  4. Step 4: Simplify right side
    216,447.48x = 33,803,754,347.99
  5. Step 5: Solve for x
    x = 33,803,754,347.99/216,447.48
  6. Step 6: Final answer
    x = 156,175.32

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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.