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Finding the Fourth Proportional to 132,419.79, 198,641.93 and 37,651.95

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Solution

The fourth proportional to 132,419.79, 198,641.93 and 37,651.95 is: 56,481.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,419.79 : 198,641.93 = 37,651.95 : x
  2. Step 2: Convert to fraction form
    132,419.79/198,641.93 = 37,651.95/x
  3. Step 3: Cross multiply
    132,419.79x = 198,641.93 × 37,651.95
  4. Step 4: Simplify right side
    132,419.79x = 7,479,255,828.00
  5. Step 5: Solve for x
    x = 7,479,255,828.00/132,419.79
  6. Step 6: Final answer
    x = 56,481.41

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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.