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Finding the Fourth Proportional to 141,463.98, 212,190.57 and 47,969.64

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Solution

The fourth proportional to 141,463.98, 212,190.57 and 47,969.64 is: 71,952.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,463.98 : 212,190.57 = 47,969.64 : x
  2. Step 2: Convert to fraction form
    141,463.98/212,190.57 = 47,969.64/x
  3. Step 3: Cross multiply
    141,463.98x = 212,190.57 × 47,969.64
  4. Step 4: Simplify right side
    141,463.98x = 10,178,705,254.29
  5. Step 5: Solve for x
    x = 10,178,705,254.29/141,463.98
  6. Step 6: Final answer
    x = 71,952.63

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1.5x scale

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.