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Finding the Fourth Proportional to 226,649.20, 339,973.80 and 93,485.20

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Solution

The fourth proportional to 226,649.20, 339,973.80 and 93,485.20 is: 140,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,649.20 : 339,973.80 = 93,485.20 : x
  2. Step 2: Convert to fraction form
    226,649.20/339,973.80 = 93,485.20/x
  3. Step 3: Cross multiply
    226,649.20x = 339,973.80 × 93,485.20
  4. Step 4: Simplify right side
    226,649.20x = 31,782,518,687.76
  5. Step 5: Solve for x
    x = 31,782,518,687.76/226,649.20
  6. Step 6: Final answer
    x = 140,227.80

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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.