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Finding the Fourth Proportional to 282,353.54, 423,440.49 and 92,770.21

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Solution

The fourth proportional to 282,353.54, 423,440.49 and 92,770.21 is: 139,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,353.54 : 423,440.49 = 92,770.21 : x
  2. Step 2: Convert to fraction form
    282,353.54/423,440.49 = 92,770.21/x
  3. Step 3: Cross multiply
    282,353.54x = 423,440.49 × 92,770.21
  4. Step 4: Simplify right side
    282,353.54x = 39,282,663,179.80
  5. Step 5: Solve for x
    x = 39,282,663,179.80/282,353.54
  6. Step 6: Final answer
    x = 139,125.80

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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.