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Finding the Fourth Proportional to 161,635.01, 223,055.07 and 93,650.51

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Solution

The fourth proportional to 161,635.01, 223,055.07 and 93,650.51 is: 129,236.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,635.01 : 223,055.07 = 93,650.51 : x
  2. Step 2: Convert to fraction form
    161,635.01/223,055.07 = 93,650.51/x
  3. Step 3: Cross multiply
    161,635.01x = 223,055.07 × 93,650.51
  4. Step 4: Simplify right side
    161,635.01x = 20,889,221,063.59
  5. Step 5: Solve for x
    x = 20,889,221,063.59/161,635.01
  6. Step 6: Final answer
    x = 129,236.98

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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.