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Finding the Fourth Proportional to 141,011.44, 211,101.60 and 123,515.44

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Solution

The fourth proportional to 141,011.44, 211,101.60 and 123,515.44 is: 184,909.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,011.44 : 211,101.60 = 123,515.44 : x
  2. Step 2: Convert to fraction form
    141,011.44/211,101.60 = 123,515.44/x
  3. Step 3: Cross multiply
    141,011.44x = 211,101.60 × 123,515.44
  4. Step 4: Simplify right side
    141,011.44x = 26,074,307,008.70
  5. Step 5: Solve for x
    x = 26,074,307,008.70/141,011.44
  6. Step 6: Final answer
    x = 184,909.16

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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.