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Finding the Fourth Proportional to 282,199.80, 423,299.70 and 113,800.80

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Solution

The fourth proportional to 282,199.80, 423,299.70 and 113,800.80 is: 170,701.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,199.80 : 423,299.70 = 113,800.80 : x
  2. Step 2: Convert to fraction form
    282,199.80/423,299.70 = 113,800.80/x
  3. Step 3: Cross multiply
    282,199.80x = 423,299.70 × 113,800.80
  4. Step 4: Simplify right side
    282,199.80x = 48,171,844,499.76
  5. Step 5: Solve for x
    x = 48,171,844,499.76/282,199.80
  6. Step 6: Final answer
    x = 170,701.20

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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.