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Finding the Fourth Proportional to 180,713.83, 271,035.70 and 68,402.82

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Solution

The fourth proportional to 180,713.83, 271,035.70 and 68,402.82 is: 102,590.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,713.83 : 271,035.70 = 68,402.82 : x
  2. Step 2: Convert to fraction form
    180,713.83/271,035.70 = 68,402.82/x
  3. Step 3: Cross multiply
    180,713.83x = 271,035.70 × 68,402.82
  4. Step 4: Simplify right side
    180,713.83x = 18,539,604,503.48
  5. Step 5: Solve for x
    x = 18,539,604,503.48/180,713.83
  6. Step 6: Final answer
    x = 102,590.96

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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.