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Finding the Fourth Proportional to 92,100.38, 127,099.13 and 51,813.81

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Solution

The fourth proportional to 92,100.38, 127,099.13 and 51,813.81 is: 71,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,100.38 : 127,099.13 = 51,813.81 : x
  2. Step 2: Convert to fraction form
    92,100.38/127,099.13 = 51,813.81/x
  3. Step 3: Cross multiply
    92,100.38x = 127,099.13 × 51,813.81
  4. Step 4: Simplify right side
    92,100.38x = 6,585,489,913.92
  5. Step 5: Solve for x
    x = 6,585,489,913.92/92,100.38
  6. Step 6: Final answer
    x = 71,503.40

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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.