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Finding the Fourth Proportional to 92,499.93, 127,636.22 and 54,245.05

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Solution

The fourth proportional to 92,499.93, 127,636.22 and 54,245.05 is: 74,850.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,499.93 : 127,636.22 = 54,245.05 : x
  2. Step 2: Convert to fraction form
    92,499.93/127,636.22 = 54,245.05/x
  3. Step 3: Cross multiply
    92,499.93x = 127,636.22 × 54,245.05
  4. Step 4: Simplify right side
    92,499.93x = 6,923,633,135.71
  5. Step 5: Solve for x
    x = 6,923,633,135.71/92,499.93
  6. Step 6: Final answer
    x = 74,850.14

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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.