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Finding the Fourth Proportional to 97,048.88, 133,929.50 and 54,607.41

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Solution

The fourth proportional to 97,048.88, 133,929.50 and 54,607.41 is: 75,359.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,048.88 : 133,929.50 = 54,607.41 : x
  2. Step 2: Convert to fraction form
    97,048.88/133,929.50 = 54,607.41/x
  3. Step 3: Cross multiply
    97,048.88x = 133,929.50 × 54,607.41
  4. Step 4: Simplify right side
    97,048.88x = 7,313,542,844.56
  5. Step 5: Solve for x
    x = 7,313,542,844.56/97,048.88
  6. Step 6: Final answer
    x = 75,359.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.