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Finding the Fourth Proportional to 73,079.55, 109,536.23 and 30,933.29

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Solution

The fourth proportional to 73,079.55, 109,536.23 and 30,933.29 is: 46,364.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,079.55 : 109,536.23 = 30,933.29 : x
  2. Step 2: Convert to fraction form
    73,079.55/109,536.23 = 30,933.29/x
  3. Step 3: Cross multiply
    73,079.55x = 109,536.23 × 30,933.29
  4. Step 4: Simplify right side
    73,079.55x = 3,388,316,319.27
  5. Step 5: Solve for x
    x = 3,388,316,319.27/73,079.55
  6. Step 6: Final answer
    x = 46,364.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.