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Finding the Fourth Proportional to 262,732.75, 362,572.64 and 143,500.75

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Solution

The fourth proportional to 262,732.75, 362,572.64 and 143,500.75 is: 198,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,732.75 : 362,572.64 = 143,500.75 : x
  2. Step 2: Convert to fraction form
    262,732.75/362,572.64 = 143,500.75/x
  3. Step 3: Cross multiply
    262,732.75x = 362,572.64 × 143,500.75
  4. Step 4: Simplify right side
    262,732.75x = 52,029,445,769.48
  5. Step 5: Solve for x
    x = 52,029,445,769.48/262,732.75
  6. Step 6: Final answer
    x = 198,031.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.