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Finding the Fourth Proportional to 173,516.60, 260,858.10 and 147,855.80

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Solution

The fourth proportional to 173,516.60, 260,858.10 and 147,855.80 is: 222,280.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,516.60 : 260,858.10 = 147,855.80 : x
  2. Step 2: Convert to fraction form
    173,516.60/260,858.10 = 147,855.80/x
  3. Step 3: Cross multiply
    173,516.60x = 260,858.10 × 147,855.80
  4. Step 4: Simplify right side
    173,516.60x = 38,569,383,061.98
  5. Step 5: Solve for x
    x = 38,569,383,061.98/173,516.60
  6. Step 6: Final answer
    x = 222,280.65

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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.