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Finding the Fourth Proportional to 132,862.82, 199,072.34 and 93,349.20

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Solution

The fourth proportional to 132,862.82, 199,072.34 and 93,349.20 is: 139,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,862.82 : 199,072.34 = 93,349.20 : x
  2. Step 2: Convert to fraction form
    132,862.82/199,072.34 = 93,349.20/x
  3. Step 3: Cross multiply
    132,862.82x = 199,072.34 × 93,349.20
  4. Step 4: Simplify right side
    132,862.82x = 18,583,243,914.50
  5. Step 5: Solve for x
    x = 18,583,243,914.50/132,862.82
  6. Step 6: Final answer
    x = 139,867.90

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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.