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Finding the Fourth Proportional to 342,690.03, 514,182.06 and 132,475.59

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Solution

The fourth proportional to 342,690.03, 514,182.06 and 132,475.59 is: 198,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,690.03 : 514,182.06 = 132,475.59 : x
  2. Step 2: Convert to fraction form
    342,690.03/514,182.06 = 132,475.59/x
  3. Step 3: Cross multiply
    342,690.03x = 514,182.06 × 132,475.59
  4. Step 4: Simplify right side
    342,690.03x = 68,116,571,765.92
  5. Step 5: Solve for x
    x = 68,116,571,765.92/342,690.03
  6. Step 6: Final answer
    x = 198,770.22

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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.