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Finding the Fourth Proportional to 73,236.64, 101,068.28 and 41,407.42

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Solution

The fourth proportional to 73,236.64, 101,068.28 and 41,407.42 is: 57,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,236.64 : 101,068.28 = 41,407.42 : x
  2. Step 2: Convert to fraction form
    73,236.64/101,068.28 = 41,407.42/x
  3. Step 3: Cross multiply
    73,236.64x = 101,068.28 × 41,407.42
  4. Step 4: Simplify right side
    73,236.64x = 4,184,976,718.64
  5. Step 5: Solve for x
    x = 4,184,976,718.64/73,236.64
  6. Step 6: Final answer
    x = 57,143.21

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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.