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Finding the Fourth Proportional to 146,885.80, 220,361.10 and 47,050.60

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Solution

The fourth proportional to 146,885.80, 220,361.10 and 47,050.60 is: 70,586.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,885.80 : 220,361.10 = 47,050.60 : x
  2. Step 2: Convert to fraction form
    146,885.80/220,361.10 = 47,050.60/x
  3. Step 3: Cross multiply
    146,885.80x = 220,361.10 × 47,050.60
  4. Step 4: Simplify right side
    146,885.80x = 10,368,121,971.66
  5. Step 5: Solve for x
    x = 10,368,121,971.66/146,885.80
  6. Step 6: Final answer
    x = 70,586.28

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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.