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Finding the Fourth Proportional to 310,923.51, 466,219.11 and 111,134.88

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Solution

The fourth proportional to 310,923.51, 466,219.11 and 111,134.88 is: 166,642.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,923.51 : 466,219.11 = 111,134.88 : x
  2. Step 2: Convert to fraction form
    310,923.51/466,219.11 = 111,134.88/x
  3. Step 3: Cross multiply
    310,923.51x = 466,219.11 × 111,134.88
  4. Step 4: Simplify right side
    310,923.51x = 51,813,204,843.56
  5. Step 5: Solve for x
    x = 51,813,204,843.56/310,923.51
  6. Step 6: Final answer
    x = 166,642.93

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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.