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Finding the Fourth Proportional to 141,600.80, 212,410.80 and 48,113.60

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Solution

The fourth proportional to 141,600.80, 212,410.80 and 48,113.60 is: 72,173.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,600.80 : 212,410.80 = 48,113.60 : x
  2. Step 2: Convert to fraction form
    141,600.80/212,410.80 = 48,113.60/x
  3. Step 3: Cross multiply
    141,600.80x = 212,410.80 × 48,113.60
  4. Step 4: Simplify right side
    141,600.80x = 10,219,848,266.88
  5. Step 5: Solve for x
    x = 10,219,848,266.88/141,600.80
  6. Step 6: Final answer
    x = 72,173.66

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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.