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Finding the Fourth Proportional to 88,959.28, 122,762.78 and 48,672.56

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Solution

The fourth proportional to 88,959.28, 122,762.78 and 48,672.56 is: 67,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,959.28 : 122,762.78 = 48,672.56 : x
  2. Step 2: Convert to fraction form
    88,959.28/122,762.78 = 48,672.56/x
  3. Step 3: Cross multiply
    88,959.28x = 122,762.78 × 48,672.56
  4. Step 4: Simplify right side
    88,959.28x = 5,975,178,775.32
  5. Step 5: Solve for x
    x = 5,975,178,775.32/88,959.28
  6. Step 6: Final answer
    x = 67,167.57

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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.