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Finding the Fourth Proportional to 173,810.40, 260,720.46 and 61,474.74

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Solution

The fourth proportional to 173,810.40, 260,720.46 and 61,474.74 is: 92,213.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,810.40 : 260,720.46 = 61,474.74 : x
  2. Step 2: Convert to fraction form
    173,810.40/260,720.46 = 61,474.74/x
  3. Step 3: Cross multiply
    173,810.40x = 260,720.46 × 61,474.74
  4. Step 4: Simplify right side
    173,810.40x = 16,027,722,491.18
  5. Step 5: Solve for x
    x = 16,027,722,491.18/173,810.40
  6. Step 6: Final answer
    x = 92,213.83

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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.