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Finding the Fourth Proportional to 99,294.69, 137,028.00 and 53,973.37

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Solution

The fourth proportional to 99,294.69, 137,028.00 and 53,973.37 is: 74,483.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,294.69 : 137,028.00 = 53,973.37 : x
  2. Step 2: Convert to fraction form
    99,294.69/137,028.00 = 53,973.37/x
  3. Step 3: Cross multiply
    99,294.69x = 137,028.00 × 53,973.37
  4. Step 4: Simplify right side
    99,294.69x = 7,395,863,318.05
  5. Step 5: Solve for x
    x = 7,395,863,318.05/99,294.69
  6. Step 6: Final answer
    x = 74,483.97

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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.