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Finding the Fourth Proportional to 105,732.74, 158,622.44 and 52,453.71

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Solution

The fourth proportional to 105,732.74, 158,622.44 and 52,453.71 is: 78,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,732.74 : 158,622.44 = 52,453.71 : x
  2. Step 2: Convert to fraction form
    105,732.74/158,622.44 = 52,453.71/x
  3. Step 3: Cross multiply
    105,732.74x = 158,622.44 × 52,453.71
  4. Step 4: Simplify right side
    105,732.74x = 8,320,335,204.98
  5. Step 5: Solve for x
    x = 8,320,335,204.98/105,732.74
  6. Step 6: Final answer
    x = 78,692.13

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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.