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Finding the Fourth Proportional to 174,343.80, 261,515.70 and 47,983.80

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Solution

The fourth proportional to 174,343.80, 261,515.70 and 47,983.80 is: 71,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,343.80 : 261,515.70 = 47,983.80 : x
  2. Step 2: Convert to fraction form
    174,343.80/261,515.70 = 47,983.80/x
  3. Step 3: Cross multiply
    174,343.80x = 261,515.70 × 47,983.80
  4. Step 4: Simplify right side
    174,343.80x = 12,548,517,045.66
  5. Step 5: Solve for x
    x = 12,548,517,045.66/174,343.80
  6. Step 6: Final answer
    x = 71,975.70

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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.