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Finding the Fourth Proportional to 194,383.68, 268,244.40 and 109,495.68

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Solution

The fourth proportional to 194,383.68, 268,244.40 and 109,495.68 is: 151,101.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,383.68 : 268,244.40 = 109,495.68 : x
  2. Step 2: Convert to fraction form
    194,383.68/268,244.40 = 109,495.68/x
  3. Step 3: Cross multiply
    194,383.68x = 268,244.40 × 109,495.68
  4. Step 4: Simplify right side
    194,383.68x = 29,371,602,984.19
  5. Step 5: Solve for x
    x = 29,371,602,984.19/194,383.68
  6. Step 6: Final answer
    x = 151,101.18

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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.