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Finding the Fourth Proportional to 95,808.65, 143,734.02 and 28,335.42

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Solution

The fourth proportional to 95,808.65, 143,734.02 and 28,335.42 is: 42,509.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,808.65 : 143,734.02 = 28,335.42 : x
  2. Step 2: Convert to fraction form
    95,808.65/143,734.02 = 28,335.42/x
  3. Step 3: Cross multiply
    95,808.65x = 143,734.02 × 28,335.42
  4. Step 4: Simplify right side
    95,808.65x = 4,072,764,163.55
  5. Step 5: Solve for x
    x = 4,072,764,163.55/95,808.65
  6. Step 6: Final answer
    x = 42,509.36

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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.