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Finding the Fourth Proportional to 132,467.61, 198,701.88 and 32,630.16

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Solution

The fourth proportional to 132,467.61, 198,701.88 and 32,630.16 is: 48,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,467.61 : 198,701.88 = 32,630.16 : x
  2. Step 2: Convert to fraction form
    132,467.61/198,701.88 = 32,630.16/x
  3. Step 3: Cross multiply
    132,467.61x = 198,701.88 × 32,630.16
  4. Step 4: Simplify right side
    132,467.61x = 6,483,674,136.70
  5. Step 5: Solve for x
    x = 6,483,674,136.70/132,467.61
  6. Step 6: Final answer
    x = 48,945.35

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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.