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Finding the Fourth Proportional to 227,108.68, 340,465.02 and 93,905.80

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Solution

The fourth proportional to 227,108.68, 340,465.02 and 93,905.80 is: 140,776.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,108.68 : 340,465.02 = 93,905.80 : x
  2. Step 2: Convert to fraction form
    227,108.68/340,465.02 = 93,905.80/x
  3. Step 3: Cross multiply
    227,108.68x = 340,465.02 × 93,905.80
  4. Step 4: Simplify right side
    227,108.68x = 31,971,640,075.12
  5. Step 5: Solve for x
    x = 31,971,640,075.12/227,108.68
  6. Step 6: Final answer
    x = 140,776.83

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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.