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Finding the Fourth Proportional to 123,662.90, 185,477.55 and 34,923.56

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Solution

The fourth proportional to 123,662.90, 185,477.55 and 34,923.56 is: 52,380.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,662.90 : 185,477.55 = 34,923.56 : x
  2. Step 2: Convert to fraction form
    123,662.90/185,477.55 = 34,923.56/x
  3. Step 3: Cross multiply
    123,662.90x = 185,477.55 × 34,923.56
  4. Step 4: Simplify right side
    123,662.90x = 6,477,535,287.73
  5. Step 5: Solve for x
    x = 6,477,535,287.73/123,662.90
  6. Step 6: Final answer
    x = 52,380.59

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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.