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Finding the Fourth Proportional to 73,076.44, 100,835.40 and 40,807.12

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Solution

The fourth proportional to 73,076.44, 100,835.40 and 40,807.12 is: 56,308.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,076.44 : 100,835.40 = 40,807.12 : x
  2. Step 2: Convert to fraction form
    73,076.44/100,835.40 = 40,807.12/x
  3. Step 3: Cross multiply
    73,076.44x = 100,835.40 × 40,807.12
  4. Step 4: Simplify right side
    73,076.44x = 4,114,802,268.05
  5. Step 5: Solve for x
    x = 4,114,802,268.05/73,076.44
  6. Step 6: Final answer
    x = 56,308.19

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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.