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Finding the Fourth Proportional to 73,719.24, 101,703.54 and 45,375.72

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Solution

The fourth proportional to 73,719.24, 101,703.54 and 45,375.72 is: 62,600.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,719.24 : 101,703.54 = 45,375.72 : x
  2. Step 2: Convert to fraction form
    73,719.24/101,703.54 = 45,375.72/x
  3. Step 3: Cross multiply
    73,719.24x = 101,703.54 × 45,375.72
  4. Step 4: Simplify right side
    73,719.24x = 4,614,871,354.05
  5. Step 5: Solve for x
    x = 4,614,871,354.05/73,719.24
  6. Step 6: Final answer
    x = 62,600.64

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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.