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Finding the Fourth Proportional to 73,487.70, 110,256.16 and 29,127.14

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Solution

The fourth proportional to 73,487.70, 110,256.16 and 29,127.14 is: 43,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,487.70 : 110,256.16 = 29,127.14 : x
  2. Step 2: Convert to fraction form
    73,487.70/110,256.16 = 29,127.14/x
  3. Step 3: Cross multiply
    73,487.70x = 110,256.16 × 29,127.14
  4. Step 4: Simplify right side
    73,487.70x = 3,211,446,811.00
  5. Step 5: Solve for x
    x = 3,211,446,811.00/73,487.70
  6. Step 6: Final answer
    x = 43,700.47

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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.