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Finding the Fourth Proportional to 73,274.20, 101,086.28 and 43,045.88

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Solution

The fourth proportional to 73,274.20, 101,086.28 and 43,045.88 is: 59,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,274.20 : 101,086.28 = 43,045.88 : x
  2. Step 2: Convert to fraction form
    73,274.20/101,086.28 = 43,045.88/x
  3. Step 3: Cross multiply
    73,274.20x = 101,086.28 × 43,045.88
  4. Step 4: Simplify right side
    73,274.20x = 4,351,347,878.53
  5. Step 5: Solve for x
    x = 4,351,347,878.53/73,274.20
  6. Step 6: Final answer
    x = 59,384.45

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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.