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Finding the Fourth Proportional to 111,938.80, 167,908.20 and 33,052.90

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Solution

The fourth proportional to 111,938.80, 167,908.20 and 33,052.90 is: 49,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,938.80 : 167,908.20 = 33,052.90 : x
  2. Step 2: Convert to fraction form
    111,938.80/167,908.20 = 33,052.90/x
  3. Step 3: Cross multiply
    111,938.80x = 167,908.20 × 33,052.90
  4. Step 4: Simplify right side
    111,938.80x = 5,549,852,943.78
  5. Step 5: Solve for x
    x = 5,549,852,943.78/111,938.80
  6. Step 6: Final answer
    x = 49,579.35

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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.