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Finding the Fourth Proportional to 97,048.80, 133,926.48 and 54,606.48

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Solution

The fourth proportional to 97,048.80, 133,926.48 and 54,606.48 is: 75,356.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,048.80 : 133,926.48 = 54,606.48 : x
  2. Step 2: Convert to fraction form
    97,048.80/133,926.48 = 54,606.48/x
  3. Step 3: Cross multiply
    97,048.80x = 133,926.48 × 54,606.48
  4. Step 4: Simplify right side
    97,048.80x = 7,313,253,651.59
  5. Step 5: Solve for x
    x = 7,313,253,651.59/97,048.80
  6. Step 6: Final answer
    x = 75,356.46

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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.