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Finding the Fourth Proportional to 251,762.96, 347,432.88 and 137,042.03

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Solution

The fourth proportional to 251,762.96, 347,432.88 and 137,042.03 is: 189,118.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,762.96 : 347,432.88 = 137,042.03 : x
  2. Step 2: Convert to fraction form
    251,762.96/347,432.88 = 137,042.03/x
  3. Step 3: Cross multiply
    251,762.96x = 347,432.88 × 137,042.03
  4. Step 4: Simplify right side
    251,762.96x = 47,612,907,163.95
  5. Step 5: Solve for x
    x = 47,612,907,163.95/251,762.96
  6. Step 6: Final answer
    x = 189,118.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.