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Finding the Fourth Proportional to 167,153.85, 250,731.36 and 42,494.85

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Solution

The fourth proportional to 167,153.85, 250,731.36 and 42,494.85 is: 63,742.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,153.85 : 250,731.36 = 42,494.85 : x
  2. Step 2: Convert to fraction form
    167,153.85/250,731.36 = 42,494.85/x
  3. Step 3: Cross multiply
    167,153.85x = 250,731.36 × 42,494.85
  4. Step 4: Simplify right side
    167,153.85x = 10,654,791,533.50
  5. Step 5: Solve for x
    x = 10,654,791,533.50/167,153.85
  6. Step 6: Final answer
    x = 63,742.42

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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.