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Finding the Fourth Proportional to 179,394.55, 269,000.70 and 104,530.30

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Solution

The fourth proportional to 179,394.55, 269,000.70 and 104,530.30 is: 156,742.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,394.55 : 269,000.70 = 104,530.30 : x
  2. Step 2: Convert to fraction form
    179,394.55/269,000.70 = 104,530.30/x
  3. Step 3: Cross multiply
    179,394.55x = 269,000.70 × 104,530.30
  4. Step 4: Simplify right side
    179,394.55x = 28,118,723,871.21
  5. Step 5: Solve for x
    x = 28,118,723,871.21/179,394.55
  6. Step 6: Final answer
    x = 156,742.35

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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.