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Finding the Fourth Proportional to 121,310.76, 167,414.00 and 67,595.82

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Solution

The fourth proportional to 121,310.76, 167,414.00 and 67,595.82 is: 93,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,310.76 : 167,414.00 = 67,595.82 : x
  2. Step 2: Convert to fraction form
    121,310.76/167,414.00 = 67,595.82/x
  3. Step 3: Cross multiply
    121,310.76x = 167,414.00 × 67,595.82
  4. Step 4: Simplify right side
    121,310.76x = 11,316,486,271.50
  5. Step 5: Solve for x
    x = 11,316,486,271.50/121,310.76
  6. Step 6: Final answer
    x = 93,285.10

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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.