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Finding the Fourth Proportional to 73,932.17, 101,920.16 and 52,674.53

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Solution

The fourth proportional to 73,932.17, 101,920.16 and 52,674.53 is: 72,615.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,932.17 : 101,920.16 = 52,674.53 : x
  2. Step 2: Convert to fraction form
    73,932.17/101,920.16 = 52,674.53/x
  3. Step 3: Cross multiply
    73,932.17x = 101,920.16 × 52,674.53
  4. Step 4: Simplify right side
    73,932.17x = 5,368,595,752.55
  5. Step 5: Solve for x
    x = 5,368,595,752.55/73,932.17
  6. Step 6: Final answer
    x = 72,615.16

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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.