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Finding the Fourth Proportional to 101,268.92, 151,903.32 and 45,094.52

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Solution

The fourth proportional to 101,268.92, 151,903.32 and 45,094.52 is: 67,641.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,268.92 : 151,903.32 = 45,094.52 : x
  2. Step 2: Convert to fraction form
    101,268.92/151,903.32 = 45,094.52/x
  3. Step 3: Cross multiply
    101,268.92x = 151,903.32 × 45,094.52
  4. Step 4: Simplify right side
    101,268.92x = 6,850,007,301.81
  5. Step 5: Solve for x
    x = 6,850,007,301.81/101,268.92
  6. Step 6: Final answer
    x = 67,641.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.