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Finding the Fourth Proportional to 214,661.00, 296,255.78 and 122,788.78

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Solution

The fourth proportional to 214,661.00, 296,255.78 and 122,788.78 is: 169,462.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,661.00 : 296,255.78 = 122,788.78 : x
  2. Step 2: Convert to fraction form
    214,661.00/296,255.78 = 122,788.78/x
  3. Step 3: Cross multiply
    214,661.00x = 296,255.78 × 122,788.78
  4. Step 4: Simplify right side
    214,661.00x = 36,376,884,900.02
  5. Step 5: Solve for x
    x = 36,376,884,900.02/214,661.00
  6. Step 6: Final answer
    x = 169,462.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.