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Finding the Fourth Proportional to 159,964.50, 220,751.01 and 92,900.82

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Solution

The fourth proportional to 159,964.50, 220,751.01 and 92,900.82 is: 128,203.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,964.50 : 220,751.01 = 92,900.82 : x
  2. Step 2: Convert to fraction form
    159,964.50/220,751.01 = 92,900.82/x
  3. Step 3: Cross multiply
    159,964.50x = 220,751.01 × 92,900.82
  4. Step 4: Simplify right side
    159,964.50x = 20,507,949,844.83
  5. Step 5: Solve for x
    x = 20,507,949,844.83/159,964.50
  6. Step 6: Final answer
    x = 128,203.13

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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.