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Finding the Fourth Proportional to 132,485.35, 198,723.47 and 37,716.12

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Solution

The fourth proportional to 132,485.35, 198,723.47 and 37,716.12 is: 56,572.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,485.35 : 198,723.47 = 37,716.12 : x
  2. Step 2: Convert to fraction form
    132,485.35/198,723.47 = 37,716.12/x
  3. Step 3: Cross multiply
    132,485.35x = 198,723.47 × 37,716.12
  4. Step 4: Simplify right side
    132,485.35x = 7,495,077,307.54
  5. Step 5: Solve for x
    x = 7,495,077,307.54/132,485.35
  6. Step 6: Final answer
    x = 56,572.88

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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.