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Finding the Fourth Proportional to 161,953.56, 223,486.29 and 93,965.27

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Solution

The fourth proportional to 161,953.56, 223,486.29 and 93,965.27 is: 129,666.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,953.56 : 223,486.29 = 93,965.27 : x
  2. Step 2: Convert to fraction form
    161,953.56/223,486.29 = 93,965.27/x
  3. Step 3: Cross multiply
    161,953.56x = 223,486.29 × 93,965.27
  4. Step 4: Simplify right side
    161,953.56x = 20,999,948,463.72
  5. Step 5: Solve for x
    x = 20,999,948,463.72/161,953.56
  6. Step 6: Final answer
    x = 129,666.48

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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.