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Finding the Fourth Proportional to 173,025.80, 259,538.70 and 106,886.60

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Solution

The fourth proportional to 173,025.80, 259,538.70 and 106,886.60 is: 160,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,025.80 : 259,538.70 = 106,886.60 : x
  2. Step 2: Convert to fraction form
    173,025.80/259,538.70 = 106,886.60/x
  3. Step 3: Cross multiply
    173,025.80x = 259,538.70 × 106,886.60
  4. Step 4: Simplify right side
    173,025.80x = 27,741,209,211.42
  5. Step 5: Solve for x
    x = 27,741,209,211.42/173,025.80
  6. Step 6: Final answer
    x = 160,329.90

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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.