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Finding the Fourth Proportional to 92,246.84, 127,250.89 and 61,672.58

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Solution

The fourth proportional to 92,246.84, 127,250.89 and 61,672.58 is: 85,074.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,246.84 : 127,250.89 = 61,672.58 : x
  2. Step 2: Convert to fraction form
    92,246.84/127,250.89 = 61,672.58/x
  3. Step 3: Cross multiply
    92,246.84x = 127,250.89 × 61,672.58
  4. Step 4: Simplify right side
    92,246.84x = 7,847,889,903.16
  5. Step 5: Solve for x
    x = 7,847,889,903.16/92,246.84
  6. Step 6: Final answer
    x = 85,074.90

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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.