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Finding the Fourth Proportional to 227,821.80, 341,730.90 and 59,341.80

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Solution

The fourth proportional to 227,821.80, 341,730.90 and 59,341.80 is: 89,012.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,821.80 : 341,730.90 = 59,341.80 : x
  2. Step 2: Convert to fraction form
    227,821.80/341,730.90 = 59,341.80/x
  3. Step 3: Cross multiply
    227,821.80x = 341,730.90 × 59,341.80
  4. Step 4: Simplify right side
    227,821.80x = 20,278,926,721.62
  5. Step 5: Solve for x
    x = 20,278,926,721.62/227,821.80
  6. Step 6: Final answer
    x = 89,012.23

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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.