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Finding the Fourth Proportional to 173,361.06, 260,050.50 and 48,711.78

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Solution

The fourth proportional to 173,361.06, 260,050.50 and 48,711.78 is: 73,070.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,361.06 : 260,050.50 = 48,711.78 : x
  2. Step 2: Convert to fraction form
    173,361.06/260,050.50 = 48,711.78/x
  3. Step 3: Cross multiply
    173,361.06x = 260,050.50 × 48,711.78
  4. Step 4: Simplify right side
    173,361.06x = 12,667,522,744.89
  5. Step 5: Solve for x
    x = 12,667,522,744.89/173,361.06
  6. Step 6: Final answer
    x = 73,070.17

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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.