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Finding the Fourth Proportional to 85,094.98, 127,721.27 and 43,004.68

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Solution

The fourth proportional to 85,094.98, 127,721.27 and 43,004.68 is: 64,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,094.98 : 127,721.27 = 43,004.68 : x
  2. Step 2: Convert to fraction form
    85,094.98/127,721.27 = 43,004.68/x
  3. Step 3: Cross multiply
    85,094.98x = 127,721.27 × 43,004.68
  4. Step 4: Simplify right side
    85,094.98x = 5,492,611,491.91
  5. Step 5: Solve for x
    x = 5,492,611,491.91/85,094.98
  6. Step 6: Final answer
    x = 64,546.84

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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.