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Finding the Fourth Proportional to 173,624.20, 260,436.30 and 55,294.60

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Solution

The fourth proportional to 173,624.20, 260,436.30 and 55,294.60 is: 82,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,624.20 : 260,436.30 = 55,294.60 : x
  2. Step 2: Convert to fraction form
    173,624.20/260,436.30 = 55,294.60/x
  3. Step 3: Cross multiply
    173,624.20x = 260,436.30 × 55,294.60
  4. Step 4: Simplify right side
    173,624.20x = 14,400,721,033.98
  5. Step 5: Solve for x
    x = 14,400,721,033.98/173,624.20
  6. Step 6: Final answer
    x = 82,941.90

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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.