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Finding the Fourth Proportional to 141,010.60, 211,515.90 and 134,789.80

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Solution

The fourth proportional to 141,010.60, 211,515.90 and 134,789.80 is: 202,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,010.60 : 211,515.90 = 134,789.80 : x
  2. Step 2: Convert to fraction form
    141,010.60/211,515.90 = 134,789.80/x
  3. Step 3: Cross multiply
    141,010.60x = 211,515.90 × 134,789.80
  4. Step 4: Simplify right side
    141,010.60x = 28,510,185,857.82
  5. Step 5: Solve for x
    x = 28,510,185,857.82/141,010.60
  6. Step 6: Final answer
    x = 202,184.70

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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.