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Finding the Fourth Proportional to 281,484.65, 422,270.71 and 94,539.89

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Solution

The fourth proportional to 281,484.65, 422,270.71 and 94,539.89 is: 141,824.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,484.65 : 422,270.71 = 94,539.89 : x
  2. Step 2: Convert to fraction form
    281,484.65/422,270.71 = 94,539.89/x
  3. Step 3: Cross multiply
    281,484.65x = 422,270.71 × 94,539.89
  4. Step 4: Simplify right side
    281,484.65x = 39,921,427,292.95
  5. Step 5: Solve for x
    x = 39,921,427,292.95/281,484.65
  6. Step 6: Final answer
    x = 141,824.53

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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.