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Finding the Fourth Proportional to 132,708.96, 199,097.16 and 39,214.71

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Solution

The fourth proportional to 132,708.96, 199,097.16 and 39,214.71 is: 58,832.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,708.96 : 199,097.16 = 39,214.71 : x
  2. Step 2: Convert to fraction form
    132,708.96/199,097.16 = 39,214.71/x
  3. Step 3: Cross multiply
    132,708.96x = 199,097.16 × 39,214.71
  4. Step 4: Simplify right side
    132,708.96x = 7,807,537,391.22
  5. Step 5: Solve for x
    x = 7,807,537,391.22/132,708.96
  6. Step 6: Final answer
    x = 58,832.03

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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.