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Finding the Fourth Proportional to 219,996.41, 329,994.61 and 114,790.77

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Solution

The fourth proportional to 219,996.41, 329,994.61 and 114,790.77 is: 172,186.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,996.41 : 329,994.61 = 114,790.77 : x
  2. Step 2: Convert to fraction form
    219,996.41/329,994.61 = 114,790.77/x
  3. Step 3: Cross multiply
    219,996.41x = 329,994.61 × 114,790.77
  4. Step 4: Simplify right side
    219,996.41x = 37,880,335,090.77
  5. Step 5: Solve for x
    x = 37,880,335,090.77/219,996.41
  6. Step 6: Final answer
    x = 172,186.16

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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.