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Finding the Fourth Proportional to 90,395.92, 124,731.06 and 60,226.24

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Solution

The fourth proportional to 90,395.92, 124,731.06 and 60,226.24 is: 83,102.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,395.92 : 124,731.06 = 60,226.24 : x
  2. Step 2: Convert to fraction form
    90,395.92/124,731.06 = 60,226.24/x
  3. Step 3: Cross multiply
    90,395.92x = 124,731.06 × 60,226.24
  4. Step 4: Simplify right side
    90,395.92x = 7,512,082,755.01
  5. Step 5: Solve for x
    x = 7,512,082,755.01/90,395.92
  6. Step 6: Final answer
    x = 83,102.01

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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.