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Finding the Fourth Proportional to 176,649.76, 264,968.55 and 50,290.78

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Solution

The fourth proportional to 176,649.76, 264,968.55 and 50,290.78 is: 75,434.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,649.76 : 264,968.55 = 50,290.78 : x
  2. Step 2: Convert to fraction form
    176,649.76/264,968.55 = 50,290.78/x
  3. Step 3: Cross multiply
    176,649.76x = 264,968.55 × 50,290.78
  4. Step 4: Simplify right side
    176,649.76x = 13,325,475,054.97
  5. Step 5: Solve for x
    x = 13,325,475,054.97/176,649.76
  6. Step 6: Final answer
    x = 75,434.44

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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.