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Finding the Fourth Proportional to 143,266.80, 214,824.60 and 48,464.40

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Solution

The fourth proportional to 143,266.80, 214,824.60 and 48,464.40 is: 72,671.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,266.80 : 214,824.60 = 48,464.40 : x
  2. Step 2: Convert to fraction form
    143,266.80/214,824.60 = 48,464.40/x
  3. Step 3: Cross multiply
    143,266.80x = 214,824.60 × 48,464.40
  4. Step 4: Simplify right side
    143,266.80x = 10,411,345,344.24
  5. Step 5: Solve for x
    x = 10,411,345,344.24/143,266.80
  6. Step 6: Final answer
    x = 72,671.03

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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.