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Finding the Fourth Proportional to 175,502.80, 263,254.20 and 141,677.20

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Solution

The fourth proportional to 175,502.80, 263,254.20 and 141,677.20 is: 212,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,502.80 : 263,254.20 = 141,677.20 : x
  2. Step 2: Convert to fraction form
    175,502.80/263,254.20 = 141,677.20/x
  3. Step 3: Cross multiply
    175,502.80x = 263,254.20 × 141,677.20
  4. Step 4: Simplify right side
    175,502.80x = 37,297,117,944.24
  5. Step 5: Solve for x
    x = 37,297,117,944.24/175,502.80
  6. Step 6: Final answer
    x = 212,515.80

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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.