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Finding the Fourth Proportional to 236,611.92, 326,402.93 and 156,010.04

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Solution

The fourth proportional to 236,611.92, 326,402.93 and 156,010.04 is: 215,213.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,611.92 : 326,402.93 = 156,010.04 : x
  2. Step 2: Convert to fraction form
    236,611.92/326,402.93 = 156,010.04/x
  3. Step 3: Cross multiply
    236,611.92x = 326,402.93 × 156,010.04
  4. Step 4: Simplify right side
    236,611.92x = 50,922,134,165.42
  5. Step 5: Solve for x
    x = 50,922,134,165.42/236,611.92
  6. Step 6: Final answer
    x = 215,213.73

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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.