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Finding the Fourth Proportional to 132,574.19, 198,892.41 and 43,827.68

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Solution

The fourth proportional to 132,574.19, 198,892.41 and 43,827.68 is: 65,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,574.19 : 198,892.41 = 43,827.68 : x
  2. Step 2: Convert to fraction form
    132,574.19/198,892.41 = 43,827.68/x
  3. Step 3: Cross multiply
    132,574.19x = 198,892.41 × 43,827.68
  4. Step 4: Simplify right side
    132,574.19x = 8,716,991,905.45
  5. Step 5: Solve for x
    x = 8,716,991,905.45/132,574.19
  6. Step 6: Final answer
    x = 65,751.80

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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.