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Finding the Fourth Proportional to 180,878.80, 271,253.40 and 92,102.80

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Solution

The fourth proportional to 180,878.80, 271,253.40 and 92,102.80 is: 138,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,878.80 : 271,253.40 = 92,102.80 : x
  2. Step 2: Convert to fraction form
    180,878.80/271,253.40 = 92,102.80/x
  3. Step 3: Cross multiply
    180,878.80x = 271,253.40 × 92,102.80
  4. Step 4: Simplify right side
    180,878.80x = 24,983,197,649.52
  5. Step 5: Solve for x
    x = 24,983,197,649.52/180,878.80
  6. Step 6: Final answer
    x = 138,121.20

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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.