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Finding the Fourth Proportional to 166,729.20, 250,093.80 and 42,070.20

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Solution

The fourth proportional to 166,729.20, 250,093.80 and 42,070.20 is: 63,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,729.20 : 250,093.80 = 42,070.20 : x
  2. Step 2: Convert to fraction form
    166,729.20/250,093.80 = 42,070.20/x
  3. Step 3: Cross multiply
    166,729.20x = 250,093.80 × 42,070.20
  4. Step 4: Simplify right side
    166,729.20x = 10,521,496,184.76
  5. Step 5: Solve for x
    x = 10,521,496,184.76/166,729.20
  6. Step 6: Final answer
    x = 63,105.30

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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.