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Finding the Fourth Proportional to 141,051.90, 211,579.20 and 35,870.88

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Solution

The fourth proportional to 141,051.90, 211,579.20 and 35,870.88 is: 53,806.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,051.90 : 211,579.20 = 35,870.88 : x
  2. Step 2: Convert to fraction form
    141,051.90/211,579.20 = 35,870.88/x
  3. Step 3: Cross multiply
    141,051.90x = 211,579.20 × 35,870.88
  4. Step 4: Simplify right side
    141,051.90x = 7,589,532,093.70
  5. Step 5: Solve for x
    x = 7,589,532,093.70/141,051.90
  6. Step 6: Final answer
    x = 53,806.66

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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.