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Finding the Fourth Proportional to 141,361.60, 212,042.40 and 47,867.35

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Solution

The fourth proportional to 141,361.60, 212,042.40 and 47,867.35 is: 71,801.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,361.60 : 212,042.40 = 47,867.35 : x
  2. Step 2: Convert to fraction form
    141,361.60/212,042.40 = 47,867.35/x
  3. Step 3: Cross multiply
    141,361.60x = 212,042.40 × 47,867.35
  4. Step 4: Simplify right side
    141,361.60x = 10,149,907,775.64
  5. Step 5: Solve for x
    x = 10,149,907,775.64/141,361.60
  6. Step 6: Final answer
    x = 71,801.03

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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.