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Finding the Fourth Proportional to 183,930.56, 253,854.22 and 153,254.96

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Solution

The fourth proportional to 183,930.56, 253,854.22 and 153,254.96 is: 211,516.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,930.56 : 253,854.22 = 153,254.96 : x
  2. Step 2: Convert to fraction form
    183,930.56/253,854.22 = 153,254.96/x
  3. Step 3: Cross multiply
    183,930.56x = 253,854.22 × 153,254.96
  4. Step 4: Simplify right side
    183,930.56x = 38,904,418,331.93
  5. Step 5: Solve for x
    x = 38,904,418,331.93/183,930.56
  6. Step 6: Final answer
    x = 211,516.88

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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.