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Finding the Fourth Proportional to 189,262.40, 283,810.51 and 70,850.70

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Solution

The fourth proportional to 189,262.40, 283,810.51 and 70,850.70 is: 106,244.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,262.40 : 283,810.51 = 70,850.70 : x
  2. Step 2: Convert to fraction form
    189,262.40/283,810.51 = 70,850.70/x
  3. Step 3: Cross multiply
    189,262.40x = 283,810.51 × 70,850.70
  4. Step 4: Simplify right side
    189,262.40x = 20,108,173,190.15
  5. Step 5: Solve for x
    x = 20,108,173,190.15/189,262.40
  6. Step 6: Final answer
    x = 106,244.95

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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.