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Finding the Fourth Proportional to 73,316.80, 109,900.32 and 28,882.42

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Solution

The fourth proportional to 73,316.80, 109,900.32 and 28,882.42 is: 43,294.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,316.80 : 109,900.32 = 28,882.42 : x
  2. Step 2: Convert to fraction form
    73,316.80/109,900.32 = 28,882.42/x
  3. Step 3: Cross multiply
    73,316.80x = 109,900.32 × 28,882.42
  4. Step 4: Simplify right side
    73,316.80x = 3,174,187,200.37
  5. Step 5: Solve for x
    x = 3,174,187,200.37/73,316.80
  6. Step 6: Final answer
    x = 43,294.13

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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.