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Finding the Fourth Proportional to 223,090.72, 334,636.56 and 156,826.96

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Solution

The fourth proportional to 223,090.72, 334,636.56 and 156,826.96 is: 235,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,090.72 : 334,636.56 = 156,826.96 : x
  2. Step 2: Convert to fraction form
    223,090.72/334,636.56 = 156,826.96/x
  3. Step 3: Cross multiply
    223,090.72x = 334,636.56 × 156,826.96
  4. Step 4: Simplify right side
    223,090.72x = 52,480,034,409.66
  5. Step 5: Solve for x
    x = 52,480,034,409.66/223,090.72
  6. Step 6: Final answer
    x = 235,240.78

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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.