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Finding the Fourth Proportional to 73,525.86, 101,448 and 43,308.81

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Solution

The fourth proportional to 73,525.86, 101,448 and 43,308.81 is: 59,755.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,525.86 : 101,448 = 43,308.81 : x
  2. Step 2: Convert to fraction form
    73,525.86/101,448 = 43,308.81/x
  3. Step 3: Cross multiply
    73,525.86x = 101,448 × 43,308.81
  4. Step 4: Simplify right side
    73,525.86x = 4,393,592,156.88
  5. Step 5: Solve for x
    x = 4,393,592,156.88/73,525.86
  6. Step 6: Final answer
    x = 59,755.74

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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.