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Finding the Fourth Proportional to 141,027.60, 211,656.60 and 136,419.60

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Solution

The fourth proportional to 141,027.60, 211,656.60 and 136,419.60 is: 204,740.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,027.60 : 211,656.60 = 136,419.60 : x
  2. Step 2: Convert to fraction form
    141,027.60/211,656.60 = 136,419.60/x
  3. Step 3: Cross multiply
    141,027.60x = 211,656.60 × 136,419.60
  4. Step 4: Simplify right side
    141,027.60x = 28,874,108,709.36
  5. Step 5: Solve for x
    x = 28,874,108,709.36/141,027.60
  6. Step 6: Final answer
    x = 204,740.84

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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.