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Finding the Fourth Proportional to 88,959, 122,751.29 and 53,141.41

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Solution

The fourth proportional to 88,959, 122,751.29 and 53,141.41 is: 73,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,959 : 122,751.29 = 53,141.41 : x
  2. Step 2: Convert to fraction form
    88,959/122,751.29 = 53,141.41/x
  3. Step 3: Cross multiply
    88,959x = 122,751.29 × 53,141.41
  4. Step 4: Simplify right side
    88,959x = 6,523,176,629.92
  5. Step 5: Solve for x
    x = 6,523,176,629.92/88,959
  6. Step 6: Final answer
    x = 73,327.90

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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.