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Finding the Fourth Proportional to 173,740.68, 260,630.46 and 55,384.56

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Solution

The fourth proportional to 173,740.68, 260,630.46 and 55,384.56 is: 83,083.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,740.68 : 260,630.46 = 55,384.56 : x
  2. Step 2: Convert to fraction form
    173,740.68/260,630.46 = 55,384.56/x
  3. Step 3: Cross multiply
    173,740.68x = 260,630.46 × 55,384.56
  4. Step 4: Simplify right side
    173,740.68x = 14,434,903,349.70
  5. Step 5: Solve for x
    x = 14,434,903,349.70/173,740.68
  6. Step 6: Final answer
    x = 83,083.04

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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.