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Finding the Fourth Proportional to 90,754.98, 136,132.61 and 35,350.98

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Solution

The fourth proportional to 90,754.98, 136,132.61 and 35,350.98 is: 53,026.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,754.98 : 136,132.61 = 35,350.98 : x
  2. Step 2: Convert to fraction form
    90,754.98/136,132.61 = 35,350.98/x
  3. Step 3: Cross multiply
    90,754.98x = 136,132.61 × 35,350.98
  4. Step 4: Simplify right side
    90,754.98x = 4,812,420,996.70
  5. Step 5: Solve for x
    x = 4,812,420,996.70/90,754.98
  6. Step 6: Final answer
    x = 53,026.52

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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.