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Finding the Fourth Proportional to 180,031.80, 270,047.70 and 61,704.30

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Solution

The fourth proportional to 180,031.80, 270,047.70 and 61,704.30 is: 92,556.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,031.80 : 270,047.70 = 61,704.30 : x
  2. Step 2: Convert to fraction form
    180,031.80/270,047.70 = 61,704.30/x
  3. Step 3: Cross multiply
    180,031.80x = 270,047.70 × 61,704.30
  4. Step 4: Simplify right side
    180,031.80x = 16,663,104,295.11
  5. Step 5: Solve for x
    x = 16,663,104,295.11/180,031.80
  6. Step 6: Final answer
    x = 92,556.45

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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.