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Finding the Fourth Proportional to 123,891.10, 184,900.40 and 111,933.70

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Solution

The fourth proportional to 123,891.10, 184,900.40 and 111,933.70 is: 167,054.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,891.10 : 184,900.40 = 111,933.70 : x
  2. Step 2: Convert to fraction form
    123,891.10/184,900.40 = 111,933.70/x
  3. Step 3: Cross multiply
    123,891.10x = 184,900.40 × 111,933.70
  4. Step 4: Simplify right side
    123,891.10x = 20,696,585,903.48
  5. Step 5: Solve for x
    x = 20,696,585,903.48/123,891.10
  6. Step 6: Final answer
    x = 167,054.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.