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Finding the Fourth Proportional to 332,859.15, 499,239.51 and 122,447.88

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Solution

The fourth proportional to 332,859.15, 499,239.51 and 122,447.88 is: 183,653.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,859.15 : 499,239.51 = 122,447.88 : x
  2. Step 2: Convert to fraction form
    332,859.15/499,239.51 = 122,447.88/x
  3. Step 3: Cross multiply
    332,859.15x = 499,239.51 × 122,447.88
  4. Step 4: Simplify right side
    332,859.15x = 61,130,819,611.74
  5. Step 5: Solve for x
    x = 61,130,819,611.74/332,859.15
  6. Step 6: Final answer
    x = 183,653.72

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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.