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Finding the Fourth Proportional to 167,995.10, 251,992.65 and 155,164.70

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Solution

The fourth proportional to 167,995.10, 251,992.65 and 155,164.70 is: 232,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,995.10 : 251,992.65 = 155,164.70 : x
  2. Step 2: Convert to fraction form
    167,995.10/251,992.65 = 155,164.70/x
  3. Step 3: Cross multiply
    167,995.10x = 251,992.65 × 155,164.70
  4. Step 4: Simplify right side
    167,995.10x = 39,100,363,939.46
  5. Step 5: Solve for x
    x = 39,100,363,939.46/167,995.10
  6. Step 6: Final answer
    x = 232,747.05

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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.