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Finding the Fourth Proportional to 132,596.10, 198,736.05 and 92,397.45

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Solution

The fourth proportional to 132,596.10, 198,736.05 and 92,397.45 is: 138,486.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,596.10 : 198,736.05 = 92,397.45 : x
  2. Step 2: Convert to fraction form
    132,596.10/198,736.05 = 92,397.45/x
  3. Step 3: Cross multiply
    132,596.10x = 198,736.05 × 92,397.45
  4. Step 4: Simplify right side
    132,596.10x = 18,362,704,243.07
  5. Step 5: Solve for x
    x = 18,362,704,243.07/132,596.10
  6. Step 6: Final answer
    x = 138,486.01

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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.