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Finding the Fourth Proportional to 132,475.66, 198,730.62 and 48,222.94

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Solution

The fourth proportional to 132,475.66, 198,730.62 and 48,222.94 is: 72,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,475.66 : 198,730.62 = 48,222.94 : x
  2. Step 2: Convert to fraction form
    132,475.66/198,730.62 = 48,222.94/x
  3. Step 3: Cross multiply
    132,475.66x = 198,730.62 × 48,222.94
  4. Step 4: Simplify right side
    132,475.66x = 9,583,374,764.42
  5. Step 5: Solve for x
    x = 9,583,374,764.42/132,475.66
  6. Step 6: Final answer
    x = 72,340.65

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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.