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Finding the Fourth Proportional to 372,766.40, 559,149.60 and 92,283.65

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Solution

The fourth proportional to 372,766.40, 559,149.60 and 92,283.65 is: 138,425.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,766.40 : 559,149.60 = 92,283.65 : x
  2. Step 2: Convert to fraction form
    372,766.40/559,149.60 = 92,283.65/x
  3. Step 3: Cross multiply
    372,766.40x = 559,149.60 × 92,283.65
  4. Step 4: Simplify right side
    372,766.40x = 51,600,365,984.04
  5. Step 5: Solve for x
    x = 51,600,365,984.04/372,766.40
  6. Step 6: Final answer
    x = 138,425.48

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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.