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Finding the Fourth Proportional to 161,633.01, 223,052.31 and 93,648.51

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Solution

The fourth proportional to 161,633.01, 223,052.31 and 93,648.51 is: 129,234.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,633.01 : 223,052.31 = 93,648.51 : x
  2. Step 2: Convert to fraction form
    161,633.01/223,052.31 = 93,648.51/x
  3. Step 3: Cross multiply
    161,633.01x = 223,052.31 × 93,648.51
  4. Step 4: Simplify right side
    161,633.01x = 20,888,516,483.56
  5. Step 5: Solve for x
    x = 20,888,516,483.56/161,633.01
  6. Step 6: Final answer
    x = 129,234.22

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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.