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Finding the Fourth Proportional to 155,596.70, 232,806.18 and 92,450.72

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Solution

The fourth proportional to 155,596.70, 232,806.18 and 92,450.72 is: 138,326.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,596.70 : 232,806.18 = 92,450.72 : x
  2. Step 2: Convert to fraction form
    155,596.70/232,806.18 = 92,450.72/x
  3. Step 3: Cross multiply
    155,596.70x = 232,806.18 × 92,450.72
  4. Step 4: Simplify right side
    155,596.70x = 21,523,098,961.45
  5. Step 5: Solve for x
    x = 21,523,098,961.45/155,596.70
  6. Step 6: Final answer
    x = 138,326.19

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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.