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Finding the Fourth Proportional to 127,847.60, 192,001.80 and 92,826.80

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Solution

The fourth proportional to 127,847.60, 192,001.80 and 92,826.80 is: 139,407.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,847.60 : 192,001.80 = 92,826.80 : x
  2. Step 2: Convert to fraction form
    127,847.60/192,001.80 = 92,826.80/x
  3. Step 3: Cross multiply
    127,847.60x = 192,001.80 × 92,826.80
  4. Step 4: Simplify right side
    127,847.60x = 17,822,912,688.24
  5. Step 5: Solve for x
    x = 17,822,912,688.24/127,847.60
  6. Step 6: Final answer
    x = 139,407.49

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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.