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Finding the Fourth Proportional to 161,630.52, 223,035.82 and 93,625.75

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Solution

The fourth proportional to 161,630.52, 223,035.82 and 93,625.75 is: 129,195.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,630.52 : 223,035.82 = 93,625.75 : x
  2. Step 2: Convert to fraction form
    161,630.52/223,035.82 = 93,625.75/x
  3. Step 3: Cross multiply
    161,630.52x = 223,035.82 × 93,625.75
  4. Step 4: Simplify right side
    161,630.52x = 20,881,895,924.37
  5. Step 5: Solve for x
    x = 20,881,895,924.37/161,630.52
  6. Step 6: Final answer
    x = 129,195.25

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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.