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Finding the Fourth Proportional to 141,814.52, 212,758.68 and 53,074.88

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Solution

The fourth proportional to 141,814.52, 212,758.68 and 53,074.88 is: 79,626.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,814.52 : 212,758.68 = 53,074.88 : x
  2. Step 2: Convert to fraction form
    141,814.52/212,758.68 = 53,074.88/x
  3. Step 3: Cross multiply
    141,814.52x = 212,758.68 × 53,074.88
  4. Step 4: Simplify right side
    141,814.52x = 11,292,141,409.96
  5. Step 5: Solve for x
    x = 11,292,141,409.96/141,814.52
  6. Step 6: Final answer
    x = 79,626.13

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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.