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Finding the Fourth Proportional to 119,383.67, 178,911.08 and 60,258.53

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Solution

The fourth proportional to 119,383.67, 178,911.08 and 60,258.53 is: 90,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,383.67 : 178,911.08 = 60,258.53 : x
  2. Step 2: Convert to fraction form
    119,383.67/178,911.08 = 60,258.53/x
  3. Step 3: Cross multiply
    119,383.67x = 178,911.08 × 60,258.53
  4. Step 4: Simplify right side
    119,383.67x = 10,780,919,053.47
  5. Step 5: Solve for x
    x = 10,780,919,053.47/119,383.67
  6. Step 6: Final answer
    x = 90,304.80

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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.