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Finding the Fourth Proportional to 132,585.63, 198,903.18 and 43,901.57

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Solution

The fourth proportional to 132,585.63, 198,903.18 and 43,901.57 is: 65,860.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,585.63 : 198,903.18 = 43,901.57 : x
  2. Step 2: Convert to fraction form
    132,585.63/198,903.18 = 43,901.57/x
  3. Step 3: Cross multiply
    132,585.63x = 198,903.18 × 43,901.57
  4. Step 4: Simplify right side
    132,585.63x = 8,732,160,885.48
  5. Step 5: Solve for x
    x = 8,732,160,885.48/132,585.63
  6. Step 6: Final answer
    x = 65,860.54

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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.