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Finding the Fourth Proportional to 104,752.34, 157,127.67 and 69,371.98

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Solution

The fourth proportional to 104,752.34, 157,127.67 and 69,371.98 is: 104,057.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,752.34 : 157,127.67 = 69,371.98 : x
  2. Step 2: Convert to fraction form
    104,752.34/157,127.67 = 69,371.98/x
  3. Step 3: Cross multiply
    104,752.34x = 157,127.67 × 69,371.98
  4. Step 4: Simplify right side
    104,752.34x = 10,900,257,187.87
  5. Step 5: Solve for x
    x = 10,900,257,187.87/104,752.34
  6. Step 6: Final answer
    x = 104,057.41

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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.