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Finding the Fourth Proportional to 226,521.86, 339,784.80 and 68,750.28

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Solution

The fourth proportional to 226,521.86, 339,784.80 and 68,750.28 is: 103,126.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,521.86 : 339,784.80 = 68,750.28 : x
  2. Step 2: Convert to fraction form
    226,521.86/339,784.80 = 68,750.28/x
  3. Step 3: Cross multiply
    226,521.86x = 339,784.80 × 68,750.28
  4. Step 4: Simplify right side
    226,521.86x = 23,360,300,989.21
  5. Step 5: Solve for x
    x = 23,360,300,989.21/226,521.86
  6. Step 6: Final answer
    x = 103,126.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.