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Finding the Fourth Proportional to 161,428.80, 226,233.60 and 161,428.80

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Solution

The fourth proportional to 161,428.80, 226,233.60 and 161,428.80 is: 226,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,428.80 : 226,233.60 = 161,428.80 : x
  2. Step 2: Convert to fraction form
    161,428.80/226,233.60 = 161,428.80/x
  3. Step 3: Cross multiply
    161,428.80x = 226,233.60 × 161,428.80
  4. Step 4: Simplify right side
    161,428.80x = 36,520,618,567.68
  5. Step 5: Solve for x
    x = 36,520,618,567.68/161,428.80
  6. Step 6: Final answer
    x = 226,233.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.