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Finding the Fourth Proportional to 92,101.86, 127,099.53 and 51,815.70

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Solution

The fourth proportional to 92,101.86, 127,099.53 and 51,815.70 is: 71,505.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,101.86 : 127,099.53 = 51,815.70 : x
  2. Step 2: Convert to fraction form
    92,101.86/127,099.53 = 51,815.70/x
  3. Step 3: Cross multiply
    92,101.86x = 127,099.53 × 51,815.70
  4. Step 4: Simplify right side
    92,101.86x = 6,585,751,116.62
  5. Step 5: Solve for x
    x = 6,585,751,116.62/92,101.86
  6. Step 6: Final answer
    x = 71,505.08

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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.