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Finding the Fourth Proportional to 122,361.60, 183,609.27 and 47,484.72

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Solution

The fourth proportional to 122,361.60, 183,609.27 and 47,484.72 is: 71,253.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,361.60 : 183,609.27 = 47,484.72 : x
  2. Step 2: Convert to fraction form
    122,361.60/183,609.27 = 47,484.72/x
  3. Step 3: Cross multiply
    122,361.60x = 183,609.27 × 47,484.72
  4. Step 4: Simplify right side
    122,361.60x = 8,718,634,775.35
  5. Step 5: Solve for x
    x = 8,718,634,775.35/122,361.60
  6. Step 6: Final answer
    x = 71,253.03

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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.