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Finding the Fourth Proportional to 226,776.40, 340,200.60 and 77,030.80

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Solution

The fourth proportional to 226,776.40, 340,200.60 and 77,030.80 is: 115,558.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,776.40 : 340,200.60 = 77,030.80 : x
  2. Step 2: Convert to fraction form
    226,776.40/340,200.60 = 77,030.80/x
  3. Step 3: Cross multiply
    226,776.40x = 340,200.60 × 77,030.80
  4. Step 4: Simplify right side
    226,776.40x = 26,205,924,378.48
  5. Step 5: Solve for x
    x = 26,205,924,378.48/226,776.40
  6. Step 6: Final answer
    x = 115,558.43

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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.