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Finding the Fourth Proportional to 226,760.80, 340,053.36 and 76,975.84

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Solution

The fourth proportional to 226,760.80, 340,053.36 and 76,975.84 is: 115,433.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,760.80 : 340,053.36 = 76,975.84 : x
  2. Step 2: Convert to fraction form
    226,760.80/340,053.36 = 76,975.84/x
  3. Step 3: Cross multiply
    226,760.80x = 340,053.36 × 76,975.84
  4. Step 4: Simplify right side
    226,760.80x = 26,175,893,030.82
  5. Step 5: Solve for x
    x = 26,175,893,030.82/226,760.80
  6. Step 6: Final answer
    x = 115,433.94

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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.