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Finding the Fourth Proportional to 281,804.70, 422,764.65 and 94,835.10

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Solution

The fourth proportional to 281,804.70, 422,764.65 and 94,835.10 is: 142,272.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,804.70 : 422,764.65 = 94,835.10 : x
  2. Step 2: Convert to fraction form
    281,804.70/422,764.65 = 94,835.10/x
  3. Step 3: Cross multiply
    281,804.70x = 422,764.65 × 94,835.10
  4. Step 4: Simplify right side
    281,804.70x = 40,092,927,859.22
  5. Step 5: Solve for x
    x = 40,092,927,859.22/281,804.70
  6. Step 6: Final answer
    x = 142,272.03

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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.