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Finding the Fourth Proportional to 172,409.04, 237,922.92 and 96,958.08

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Solution

The fourth proportional to 172,409.04, 237,922.92 and 96,958.08 is: 133,801.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,409.04 : 237,922.92 = 96,958.08 : x
  2. Step 2: Convert to fraction form
    172,409.04/237,922.92 = 96,958.08/x
  3. Step 3: Cross multiply
    172,409.04x = 237,922.92 × 96,958.08
  4. Step 4: Simplify right side
    172,409.04x = 23,068,549,511.19
  5. Step 5: Solve for x
    x = 23,068,549,511.19/172,409.04
  6. Step 6: Final answer
    x = 133,801.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.