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Finding the Fourth Proportional to 236,483, 326,353.42 and 129,059.96

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Solution

The fourth proportional to 236,483, 326,353.42 and 129,059.96 is: 178,106.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,483 : 326,353.42 = 129,059.96 : x
  2. Step 2: Convert to fraction form
    236,483/326,353.42 = 129,059.96/x
  3. Step 3: Cross multiply
    236,483x = 326,353.42 × 129,059.96
  4. Step 4: Simplify right side
    236,483x = 42,119,157,699.30
  5. Step 5: Solve for x
    x = 42,119,157,699.30/236,483
  6. Step 6: Final answer
    x = 178,106.49

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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.