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Finding the Fourth Proportional to 180,472.08, 270,677.34 and 75,262.80

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Solution

The fourth proportional to 180,472.08, 270,677.34 and 75,262.80 is: 112,881.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,472.08 : 270,677.34 = 75,262.80 : x
  2. Step 2: Convert to fraction form
    180,472.08/270,677.34 = 75,262.80/x
  3. Step 3: Cross multiply
    180,472.08x = 270,677.34 × 75,262.80
  4. Step 4: Simplify right side
    180,472.08x = 20,371,934,504.95
  5. Step 5: Solve for x
    x = 20,371,934,504.95/180,472.08
  6. Step 6: Final answer
    x = 112,881.36

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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.