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Finding the Fourth Proportional to 141,752.62, 212,555.13 and 52,933.09

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Solution

The fourth proportional to 141,752.62, 212,555.13 and 52,933.09 is: 79,372.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,752.62 : 212,555.13 = 52,933.09 : x
  2. Step 2: Convert to fraction form
    141,752.62/212,555.13 = 52,933.09/x
  3. Step 3: Cross multiply
    141,752.62x = 212,555.13 × 52,933.09
  4. Step 4: Simplify right side
    141,752.62x = 11,251,199,826.25
  5. Step 5: Solve for x
    x = 11,251,199,826.25/141,752.62
  6. Step 6: Final answer
    x = 79,372.08

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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.