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Finding the Fourth Proportional to 161,625.52, 223,028.92 and 93,620.76

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Solution

The fourth proportional to 161,625.52, 223,028.92 and 93,620.76 is: 129,188.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,625.52 : 223,028.92 = 93,620.76 : x
  2. Step 2: Convert to fraction form
    161,625.52/223,028.92 = 93,620.76/x
  3. Step 3: Cross multiply
    161,625.52x = 223,028.92 × 93,620.76
  4. Step 4: Simplify right side
    161,625.52x = 20,880,136,992.38
  5. Step 5: Solve for x
    x = 20,880,136,992.38/161,625.52
  6. Step 6: Final answer
    x = 129,188.37

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1.5x scale

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.