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Finding the Fourth Proportional to 92,101.79, 127,099.31 and 51,815.85

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Solution

The fourth proportional to 92,101.79, 127,099.31 and 51,815.85 is: 71,505.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,101.79 : 127,099.31 = 51,815.85 : x
  2. Step 2: Convert to fraction form
    92,101.79/127,099.31 = 51,815.85/x
  3. Step 3: Cross multiply
    92,101.79x = 127,099.31 × 51,815.85
  4. Step 4: Simplify right side
    92,101.79x = 6,585,758,522.98
  5. Step 5: Solve for x
    x = 6,585,758,522.98/92,101.79
  6. Step 6: Final answer
    x = 71,505.22

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1.5x scale

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.