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Finding the Fourth Proportional to 132,596.49, 198,895.28 and 53,712.21

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Solution

The fourth proportional to 132,596.49, 198,895.28 and 53,712.21 is: 80,568.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,596.49 : 198,895.28 = 53,712.21 : x
  2. Step 2: Convert to fraction form
    132,596.49/198,895.28 = 53,712.21/x
  3. Step 3: Cross multiply
    132,596.49x = 198,895.28 × 53,712.21
  4. Step 4: Simplify right side
    132,596.49x = 10,683,104,778.81
  5. Step 5: Solve for x
    x = 10,683,104,778.81/132,596.49
  6. Step 6: Final answer
    x = 80,568.53

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1.5x scale

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.