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Finding the Fourth Proportional to 141,263, 211,894.08 and 88,709.36

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Solution

The fourth proportional to 141,263, 211,894.08 and 88,709.36 is: 133,063.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,263 : 211,894.08 = 88,709.36 : x
  2. Step 2: Convert to fraction form
    141,263/211,894.08 = 88,709.36/x
  3. Step 3: Cross multiply
    141,263x = 211,894.08 × 88,709.36
  4. Step 4: Simplify right side
    141,263x = 18,796,988,224.59
  5. Step 5: Solve for x
    x = 18,796,988,224.59/141,263
  6. Step 6: Final answer
    x = 133,063.78

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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.