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Finding the Fourth Proportional to 163,892.50, 226,167.93 and 91,294.90

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Solution

The fourth proportional to 163,892.50, 226,167.93 and 91,294.90 is: 125,984.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,892.50 : 226,167.93 = 91,294.90 : x
  2. Step 2: Convert to fraction form
    163,892.50/226,167.93 = 91,294.90/x
  3. Step 3: Cross multiply
    163,892.50x = 226,167.93 × 91,294.90
  4. Step 4: Simplify right side
    163,892.50x = 20,647,978,552.56
  5. Step 5: Solve for x
    x = 20,647,978,552.56/163,892.50
  6. Step 6: Final answer
    x = 125,984.89

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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.