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Finding the Fourth Proportional to 227,670.40, 341,505.60 and 79,907.20

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Solution

The fourth proportional to 227,670.40, 341,505.60 and 79,907.20 is: 119,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,670.40 : 341,505.60 = 79,907.20 : x
  2. Step 2: Convert to fraction form
    227,670.40/341,505.60 = 79,907.20/x
  3. Step 3: Cross multiply
    227,670.40x = 341,505.60 × 79,907.20
  4. Step 4: Simplify right side
    227,670.40x = 27,288,756,280.32
  5. Step 5: Solve for x
    x = 27,288,756,280.32/227,670.40
  6. Step 6: Final answer
    x = 119,860.80

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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.