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Finding the Fourth Proportional to 90,992.57, 125,570.99 and 52,754.90

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Solution

The fourth proportional to 90,992.57, 125,570.99 and 52,754.90 is: 72,802.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,992.57 : 125,570.99 = 52,754.90 : x
  2. Step 2: Convert to fraction form
    90,992.57/125,570.99 = 52,754.90/x
  3. Step 3: Cross multiply
    90,992.57x = 125,570.99 × 52,754.90
  4. Step 4: Simplify right side
    90,992.57x = 6,624,484,524.38
  5. Step 5: Solve for x
    x = 6,624,484,524.38/90,992.57
  6. Step 6: Final answer
    x = 72,802.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.