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Finding the Fourth Proportional to 132,952.53, 199,428.69 and 39,458.28

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Solution

The fourth proportional to 132,952.53, 199,428.69 and 39,458.28 is: 59,187.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,952.53 : 199,428.69 = 39,458.28 : x
  2. Step 2: Convert to fraction form
    132,952.53/199,428.69 = 39,458.28/x
  3. Step 3: Cross multiply
    132,952.53x = 199,428.69 × 39,458.28
  4. Step 4: Simplify right side
    132,952.53x = 7,869,113,090.05
  5. Step 5: Solve for x
    x = 7,869,113,090.05/132,952.53
  6. Step 6: Final answer
    x = 59,187.39

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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.